Top Door Alarm Contact Sensor Reviews

DENFOON WiFi Door Alarm Sensor Wireless Real-Time 2 in 1 Door Window Alarm up to 110db, Home Security Door Open Contact Sensors, Work with Alexa and Google Assistant

...ving room, garage, yard, the little store, or office. A high-quality adhesive tap could help you fix the door alarm sensor to any place you want..
【Package Included】DENFOON Door Sensor x1, Magnet Sensor x1, Double-sides Adhesive Tap x2, User Guide x1, Installation Tools x1. And permanent customer support, please contact us freely for any questions, we will always be here for you..

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Door Window Alarm, 90DB Door Alarms for Kids Safety, Window Pool Alarms for Home (13 Pack)

Super loud 90 dB alarm – This Magnetic sensor window door alarm loud enough to detect entry, prevent kids and babies going out the house, protecting your home or office whether you are in or out..
Magnetic sensor switch detects your door or window. When someone opens the door or window illegally (the relative position of the primary and secondary parts changes), the alarm can issue a strong alarm, warning the intruder to leave and remind the owner..
EASY INSTALLATION - Easy stick installation and operation, press on/off switch to power on/off then insert 2 PCS AAA battery (battery do not contain in the box),tear the double-sided adhesive on the back, paste the door knob alarm on your target position. (NOTICE: MAKE SURE THE GAP BETWEEN THE ALARM AND MAGNET PART WITHIN 0.6IN.).
ULTRA-SLIM DESIGN - Size: 3.4" x 1.1" x 0.6, this door and window alarm with 2 adjustable settings (on/off). Perfect for home, office, garage, dorm room, apartment or even RV..
WHAT YOU GET – 13 packs super environmentally suitable, stable, dustproof window door alarms, 100% customer satisfaction service, value for your money, any questions, do contact us for help! We are always here to help you out..

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Bed Alarm Caregiver Pager with Wireless Motion Sensor Alarm Indoor Fall Prevention for Elderly Monitoring Seniors Dementia Patients Seniors Home Door Chime

PORTABLE BED ALARM DEVICE: The portable bed alarms and fall prevention for elderly device is applicable at various areas indoor such as bedroom, bedside floor, doorway, door exit, wall or any horizontal/vertical surface. The convertible bottom stand enables the motion sensor to sit stable on flat surface or mount it on wall as elderly monitoring with included attachment accessories..
FLEXIBLE MOTION SENSOR ALARM: This wireless motion sensor alarm kit comes with one wireless motion sensor and one portable pager. Rotatable bracket on door alarm sensor provides flexibility to install anywhere at care home or nursing home. Either wall mounted with screws or wall attached with adhesive tape method of your choice..
ALLOW CAREGIVER FREEDOM: With up to 300 feet operating range in open areas, the wireless motion sensor is silent in residents or patients room. The portable caregiver pager door alarm kit has an audible alert and is small enough to be carried in a pocket or clipped to a belt..
NEVER MISS AN ALERT: Switch the wireless pager to DINGDONG for a loud door chime/doorbell alert. Change it to MUSIC for a pleasant music to....

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Door Alarm Sensor 120 dB with 4 Modes Open Alarm/Close/Dingdong/Reminder Burglar Alarm for Kids Safety Home Office Shop Apartment 2 Pack

【Door & Window Alarm】This Magnetic door/window alarm sensor will emit a high volume alarm of 120dB when the door is suddenly open. It can prevent....
【4 Modes】 #1 Ordinary alarm mode (Alarm will last for 1 minute if your door is being open) #2 Doorbell mode (“Ding dong”, rings once as a....
【Easy to Install & Set up】 This security kit can be easily installed as it is adhesive on the bottom. You just need to stick the alarm sensor on....
【Fast Automatic Switch】Ultra-sensitive magnetic sensor can quickly detect your door or window status, The wireless door alarm sensor works with....
【High Quality】The most advanced optimized circuit chip is adopted to reduce the power consumption of the battery and continue to be used. High....

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Wireless Security Keypad Alarm Motion Sensor Alarm Password Home Security Keypad Remote Infrared Detectors

PROTECT YOUR PROPERTY: This home security alarm motion sensor alarm is perfect for protecting your property from unwelcome intruders. With this motion sensor alarm, this alarm can help you protect your property. Detection range: distance 3-5 meters, angle 105 degrees..
MOVEMENT DETECTED: The door alarm system has a built-in PIR motion sensor. If any movement is detected, the home alarm system will activate the alarm. When the PIR sensor detects human movement, the siren will sound an alarm to remind you that your home may be attacked or intruded..
APPLICABLE LOCATION: This remote motion sensor alarm can be placed in the front door, back door, garage, shed, outbuilding, etc. Ring security system is very suitable for your application and the installation location is also very convenient..
EASY TO INSTALATION: This wireless motion sensor alarm is easy to install, no wires are required, just put the required battery in and fix it on a suitable surface. 105db password wireless home security emergency keypad alarm siren size: 136*105*27mm/5.3*4.1*1.1 inches. Power supply: 3 x AA batteries (not included)..
PLEASE NOTE: When the alarm motion detector is turned on, the power-on indicator does not light up, the wireless security keyboard alarm sound becomes smalle....

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WiFi Door Sensor, Smart Window Contact Sensor for Home Security, Wireless Window Door Sensor Alarm Compatible with Alexa and Google Assistant, No Hub Required,(8 AAA Batteries Included) 4 Pack

【Smart Home Security Sensor】This door sensor alarm is an excellent security addition to any contact structure: front door, window, baby room, garage doors, skylights, safes, etc. Watching the security barrier at the top of the stairs. All the statuses of doors and windows will be displayed simultaneously in the app. No hub required. 8 AAA Batteries Included..
【Programmable Smart Sensor】 Extend your smart home automation with ORIKLON WiFi door sensor door sensor.
Automatically turn on your smart wall switches or lights when door opened.
Automatically turn off your air-condition when window opened.
More smart devices can be sync as long as they compatible with Smart Life app..
【Alert Message Notification】 The smart door and window sensor is compatible with Smart Life App and Tuya Smart App. You will receive an alarm signal from your phone App when the door sensor find your door or window opened. No more need to afraid someone enter your home without permission..
【APP Remote Monitor & Voice Control】Under 2.4G WiFi, The wifi door sensor can be controlled by SMART LIFE App o....

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Onvis 4-in-1 Bluetooth Wireless Door Window Contact Sensor for Alarm System and Smart Home Automation With Integrated 120dB Alarm Siren,Thermometer, Hygrometer, Only Works With Apple HomeKit

...switched off immediately. It's beeping can remind you if your kids opened windows or you forget to close the door..
【Door Alarms For Home Security System】No redundant notifications in iOS 14.Instantaneous notifications will be sent to your iOS devices upon changes of the security system status or the door/window contact sensor. No hub required. Pleasant chime of the sensor make it obvious anytime someone goes through the gate. Trigger data are locally encrypted before sending to iCloud..
【Multipurpose Door Sensor】Send ambient temperature and humidity readings to your Apple HomeKit Devices. Or you can simply ask Siri how the weather is.Onvis is HomeKit certified and keeps everything in Apple’s iCloud system..
【HomeKit Automation & Scenes】Set up automations with other HomeKit enabled accessories on the basis of on/off status of door/window,temperature and humidity. For instance, have the Homepod mini alert 'your mailbox has been open' when the postman puts your letter in..
【Trigger Records】 100 recent automatic trigger records, 24/7 remote home security monitoring for home, office, garage, warehouse, store, farms, apartment, restaurant, cellar, cabinet, mailbox, pet house, RV, and more. AAA batteries can be easily replaced. BLE 5.0 offers....

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Driveway Alarm Wireless, STECHRO Motion Sensor Alarm Outside Weatherproof Motion Detector USB and Battery Operated 600Ft Range Intruder Alarm 62Tunes 5Level Volume 110 PIR for Outdoor Home/Business

110°PIR sensor driveway alarm: The motion detector is triggered by the movement of the PIR sensor area, providing a wide enough angle to detect all the passing-by in the driveway..
Motion sensor alarm: Wireless PIR detector adopts smart analysis algorithms to reduce the wrong alarm singles A great tool to remind your attention when the break-in gets closed to your home property, your kits enter restricted areas, customers approach your store, visitors come to the door..
4-in-1 Alarm Way: there are doorbell rings, alarm rings, LED flashlights and Alarm/door bell ring+LED Flashlight for reminding with the 5 Lever Alarm volume(including 0 dB Level).
providing an optional alarm for your different time and place..
DIY Sensors expandable: the motion sensors kit was pair before leaving the factory you just add the AA battery on the receiver and sensors. You can also add more than 2 sensors in 1 receiver or more than 2 receivers in 1 sensor. Just pair to each other if adding a new part..
OVER 1-YEAR QUALITY ASSURANCE: Items We offer 12 months replacements service, any defective parts just contact us for free replacements and we provide 30 days money back,24 hours customer service to reach your 100% satisfaction..

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Wireless Door Chime,600Ft Range 5 Adjustable Volume 1 Magnetic Door open Contact Sensor with 62 Chimes Mute Mode Door Bell Plugin Receiver for Home/Office/Store STECHRO (Black)

... paired before leaving the factory. just plug receive in an outlet, remove the sensor insulator, you can either use the double sides adhesive tape to stick or use the screw mounted to install on the door or window.
OVER 1-YEAR QUALITY ASSURANCE: items we offer 12 months replacements service, any defective parts just contact us for free replacements and we provide 30 days money back,24 hours customer service to reach your 100% satisfaction..

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Door Chime, Wireless Door Window Contact Sensor Alarm, 500ft Range 32 Chimes 5 Volume Level LED Indicators, 1 Plug-in Receiver Door Sensor for Business/Home/Store (1 Receiver +1 Sensor)

[Upgraded Version] We have adopted AAA batteries for contact sensor, the capacity is 3 to 4 times that of a CR1632 cell battery, and you could find replacements easier. Streamline the number of music, 32 different chime options, including 3 alarm sounds, 9 short ringtones, 20 long ringtones, save your time to choose and meet your needs for different occasions like home, business or store..
[Door/Window Open Alert] Perfect for adding a sense of security if you have children or senior family members. This business door alarm entry chime alerts when burglar opens the door or window and helps deter break-ins(wireless door alarm activates when magnetic sensor separates). You can use the door sensor chime on the back door as an alarm, or as a way to remind businesses on the front door when a customer’s coming in..
[Easy to Set up] 5 levels of adjustable volume from 0-110 dB (Mute Mode Included). LED indicators are suitable for the elderly and the hearing impaired. Different ringtones are set for different doors so you can know which door you have a visitor to come in. Our door alert can remember your last melody and volume level after a power outage, no need to reset to your previous settings..
[500ft Wide Detection Range & 20 Expandable] The doorbell ....

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Motion Sensor Alarm Caregiver Pager: Elderly Fall Prevention Monitoring Alert Guardline Wireless Driveway Detector Seniors Security Bed Alarm Infrared Door Entry Detection Movement Monitor Siren

...e leaving the factory you just add the AA battery on the receiver and sensors. You can also add more than 2 sensors in 1 receiver or more than 2 receivers in 1 sensor. Just pair to each other if adding a new part..
OVER 1-YEAR QUALITY ASSURANCE: Items We offer 12 months replacements service, any defective parts just contact us for free replacements and we provide 30 days money back,24 hours customer service to reach your 100% satisfaction..

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WiFi Door Window Sensor Detector: Wireless Security Alarm Door Sensor, Tuya Door Open Contact Sensor, Compatible with Alexa,Google Home,Siri, Smart Door Sensors for Home Business Security (1 Pack)

APP ALERTS ON YOUR PHONE: Wifi door sensor, "Tuya Smart" or "Smart Life" APP control. No hub required and No fees charge. When door/window is opened or closed, the sensor will push instant notification to your smartphone immediately. You can check your house on APP whatever where you are..
DOOR ALARM COMPATIBLE WITH ALEXA,GOOGLE HOME: Smart door window alarm works with Alexa and Google Home. Support voice control by Google and Alexa. Alexa/Google is able to answer the question “Is the door open/closed?”.
LONG-LASTING PERFORMANCE & LOW POWER WARNING: Door open alert wireless door sensor powered by 2*AAA batteries(Not included), working time can last for one year without to replace the battery. When the battery is running low, it will automatically push messages through APP to remind you to change battery, never worry about running out of battery..
UNIVERSAL COMPATIBILITY & QUALITY GUARANTEE: Install the alarm sensor not only on front doors or windows, but also on garage doors, liquor cabinets, front gate, safety deposit box, pe....

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Window Door Alarm,125dB Pool Alarm Magnet Sensor Trigger for Home Kids Safety Burglar Alarm for Doors and Windows 3

Multiple Alarm Modes:Immediate alarm, delayed alarm, doorbell, 30 second alarm, Di-Di remind alarm (intermittently ringing)..
3 Level Adjustable Volume From 100dB to 125dB. : The Magnetic sensor window door alarm loud enough to notice.Not only it can be used to protect....
Easy to install: Use Double-sided tape, tape it on a window door or anywhere you need, then all done! No any wiring or screws needed.Fit....
Instant Alarm Reminder: The minimum trigger distance is 0.59inch.The alarm will be triggered and alarm immediately when doors or windows....
Double-side magnetic sensor alarm: More places can use it than single side sensor.（IT FITS ON FLAT DOOR AND FRAME.).

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