Top Product Principle Reviews

ACEIRMC 10pcs TCRT5000 Infrared Reflective Sensor IR Photoelectric Switch Barrier Line Obstacle Avoidance Module Tracing Sensor Tracing Module for Arduino Smart Car Robot

Accurate and Reliable: detection, stable, good consistency.
Quick response: response time is less than 10 seconds when the scene changes..
Easy integration: UART output (or IO output can be customized), fan built-in.
The SDS011 using principle of scattering,can get the particle concentration between 0.3 to 10um in the air.It with digital output and built-in fan is stable and reliable..
Working principle:Using scattering principle:Light scattering can be induced when particles go through the detecting area.
The scattered light is transformed into electrical signals and these signals will be amplified and processed PM sensor SDS011 High precision laser pm2.5 air quality detection sensor module Super dust dust sensors, digital output Note : It supports 5V power supply voltage, output signal TTL Is 5V, higher than this voltage, the product will burn out.

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Sunnym 12V-24V 5.8GHz 360 Degree Microwave Motion Sensor Body Motion Sensor Induction Switch for LED Light Switch White

1. This product is a sensor for moving objects. It is based on Doppler principle and technology, using antennas and high-performance microchips. It is....
3. The microwave sensor uses the Doppler principle to transmit and receive high-frequency microwave signals (accurately perceive the movement of....
2. The detection range of the sensor is 360°, its working frequency is 5.8GHz, and it is in a stable working state (stable working temperature:....
4. When someone enters the sensing detection range (within a diameter of 16m), the load lamp lights up.
when the person passes through the sensing....
5. This product can be set to not light up during the day and light up only when there are people at night.
it can also be set to light up at any time....

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MiOYOOW Practice Soldering Learning Electronics Kit Smart Car Soldering Project Kits Line Following Robot Kids DIY Electronics Education School Competition W/ English Manual

✔【Wide - Application】: Smart robot car is the most widely used in school for helping students to learn about the soldering project knowledge of....
✔【Easy Assembly】: The operating principle is provided as product pictures shown and we provide electronic manual for you. It's much easier to....
✔【Its Principle】: As the light reflectivity is different when the light is emitting on the white and black items. It uses the photoresistor to....
✔【Design Your Runway】: You can also use the 1.5~2.0 cm black electrical tape directly on the ground to design the complex runway. It would be....
✔【English Manual】: We provide paper English instruction come with the product. You can scan the QR code in the last picture to get PDF manual.....

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Inventory Manager

The program is designed to keep track of your products. The program maintains a detailed list of product names..
The product can be classified, categorized and sub-categorized. In this case, categories and subcategories of products are defined by the user of the program. Each product can have two selling prices. Different VAT rate can be determined for each product..

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4000 mm Stroke Draw Wire Linear Displacement Sensor Transducer CWP-M4000 (0-10KOMH)

【Good Quality】The cover shell of KPM12 rod sensor is aluminum, rod is stainles steel, PCB board with machine linear engraving. High precision linearity and repeatability..
【Potentiometer Principle】 This sensor adopts potentiometer principle, output signal is 0-100% of input voltage while changes with displacement..
【Plug & Use】The sensor is with Hessman plug, easy and convenient while using. This sensor can be fixed on machines..
【Wide application】This displacement sensor is widely and common used in injection machine, wood machines, hydraulic machinery..
【Safety】This product is covered with aluminum, rust resistance, long service life. High protection class IP67, good protected, it is workable when powered. Safe to use..

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Zircon WL50 Electronic Water Level

Utilizes basic principle of water leveling.
The package length of the product is 13 inches.
The package width of the product is 13 inches.
The package height of the product is 4 inches.

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Mini-Ductor Venom (MDV-777)

【Working Principle】Through the principle of electromagnetic induction, the easy to magnetize metal bolts/nuts within the working range of the coil are heated, so that the bolts are heated and expanded, so as to quickly take out the bolts. No open flame cause by the heating, to ensure your working environment in safe..
【Reasonable Design】The built-in cooling fan can effectively prevent the heating device from overheating, can protect heat sensitive components and prolong the service life of equipment.
The built-in LED lights at the end allowing you to work smoothly in the dark.
Granular non-slip handle is ergonomically designed for a more comfortable grip..
【Wide Application】 The magnetic induction heater kit mainly used for heating threaded nuts and rusty screws to loosen them. It can also be used for automobiles, machinery, and various small Heat treatment of metal parts such as gears, pulleys, pulley, bearings, etc..
【With 3 Coils】 With 3 different sizes of coils, a variety of coil models and sizes can be adapted to work requirements in many ways. Make your workflow smoother..
【After-Sales Service】If you are confused about the quality of the product or have any other questions, you can email us and we will be happy to solve the prob....

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Inventory Manager [link to download the program, without CD]

The program is designed to keep track of your products. The program maintains a detailed list of product names..
The product can be classified, categorized and sub-categorized. In this case, categories and subcategories of products are defined by the user of the program. Each product can have two selling prices. Different VAT rate can be determined for each product..

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CNCEST Jewelry Spot Welding Machine 110V 80A Spot Welder with Foot Pedal for Jewelry Gold Silver Platinum

Specification: Item name: 80A spot welder.
Work Principle: Jewelry Spot Welding Machine Using the principle of plasma high-frequency discharge, a molten pool is immediately formed in the metal....
Efficient Welding: Spot Welding Machine output power can be adjusted according to the size of the welding wire, the welding workpiece is smooth, fast....
Widely Use: This spot welding machine is mainly used for welding various buckles such as gold, silver necklaces, earrings, etc. It is not suitable for....
Packages: 1 x Main Unit, 1 x Power Cord, 1 x Foot Pedal, 1 x Set Accessories, 1 x Manual.

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We Are Soldiers Still: A Journey Back to the Battlefields of Vietnam

Floor Squeegee Ergonomic Principle: The Angle of the pole and EVA part conforms to the ergonomic principle, which can be used to use the squeegee with less effort, so that cleaning can be simple and convenient..
Floor Squeegee Telescopic Pole: The iron pole length can be adjusted from 43.3 inches to 54.3 inches, you can just open the lock on the pole to adjust..
Floor Squeegee Broom RAPID DRYING: Extensive drying efficiently,saving the hassle of extra drying..
Floor Squeegee Broom MULTIPURPOSE: To dry floor surface efficiently and remove dirt and hair easily.Suitable for garage courtyard shower bathroom pet hair fur floor marble glass tile water foam cleaning.
Our Yocada brand is registered and it has large factories to support, so if you encounter any problem while using the product, please feel free to contact our support team. We would sincerely serve you..

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Yocada Push Broom Brush 17.7

Push Broom Brush 17.7" Wide: The iron pole length can be adjusted from 50.8 inches to 65.3 inches, if you use three poles, the length is 50.8", and if four poles, 65.3", so you don't need to bend your back..
Push Broom Brush 17.7" Wide Ergonomic Principle: The Angle of the pole and broom/brush part conforms to the ergonomic principle, which can be used to use the broom/brush with less effort, so that cleaning can be simple and convenient..
The width of the broom part is about 17.7 inch long, so it can sweep a large area at a time, and we use a special technology to produce the broom head, to make it more durable, and better than ordinary broom..
Durable angled push broom/brush for outdoor, or industrial use, ideal for outdoor patios, sidewalks, driveways or industrial spaces, workshops, garages, and more..
Our Yocada brand is registered and it has large factories to support, so if you encounter any problem while using the product, please feel free to contact our support team. We would sincerely serve you..

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Night Driving Glasses Blue Light Blocking Photochromic HD Night Vision Polarized Computer Game Glasses,Glasses Case Included

【THE PRINCIPLE OF NIGHT DRIVING GLASSES】 Anti-glare will inevitably cause light loss, so it is impossible to have clearer and brighter vision than....
【THE PRINCIPLE OF NIGHT DRIVING GLASSES】 Light loss will definitely affect the safe driving vision. What we can do is to find the best visual....
✅We choose the best solutions for night driving lenses,high-end glasses frames,high-end hard-shell glasses cases, and only rely on competitive....
✅The glasses are provided with a 1-year warranty.During normal use,if there are any quality problems,we will provide free shipping of new products....
)CUSTOMER CONFUSION:Has the number of reviews,content of reviews and product ratings been manipulated by no conscience brands?Real....

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Acogedor 2Pcs Irrigation Venturi Fertilizer Kit Venturi Fertilizer Mixer Injectors Use The Siphon Principle for Agriculture Fertilizer Irrigation Jet Device etc

☛☛☛☛☛【Principle Introduction】Using the principle of siphon, it is convenient to inhale various liquid fertilizers and inject them into....
☛☛☛☛☛【Product Description】1. Venturi fertiliser can be installed in parallel with the water supply pipe control valve of the irrigation....
☛☛☛☛☛【Features】Applicable for agriculture irrigation system fertilizer and chemical injection.Suitable for 1/2", 3/4" or 1" BSP....
☛☛☛☛☛【Dimension】G1/2inch Size: Approx. 14 x 7.2cm / 5.5 x 2.8inch；；G3/4inch Size: Approx. 14.5 x 7.3cm / 5.7 x 2.9inch；1inch Size:....
☛☛☛☛☛【Specifications】Material: POM Plastic；Inlet/Outlet Thread Size: 1/2 inch, 3/4inch, 1inch (Optional)；Rate of Flow Range: 1/2....

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