Skylink GM-434RTL Long Range Household Alert & Alarm Home Security Safety Protection Garage Door Monitor System Kit
- NO MONTHLY FEES easy DIY (Do It Yourself) installation.
- 2in1 Alert or Alarm Modes, notifies you when a garage door is open with both audio and visual indicators Protect valuables in your garage.
- BUILT-IN SIREN at a piercing 95 decibels for maximum protection Long operating range up to 800 feet in open area.
- EXPANDABLE SYSTEM: Add up to 16 sensors ie Motion sensors, window/ door sensors, water/leak sensors and garage door sensors.
- One HA-434RL Household Alert Receiver (AC or DC adapter included) And One GM-434TL Garage Door Sensor ( Battery Included).