The Door Sensor is a wireless door contact. It goes on each of the entry/exit door leading to the exterior of the home. It is designed to alert you every time an entry/exit door is opened or closed. The built-in added tamper protection is reliable, foolproof and dependable. Door alarm sensor are the first line of defense when it comes to home protection by any home security alarm company.

Door Sensor Features
Long Life Built-in Li-ion Batteries (Last more than 5 years)
Wireless Signal Range: 275 ft. (~80m)
Smartphone Controllable
Arm/Disarm Doors From Anywhere
Notification Alert (in case of) Tamper Activity
Tamper Proof
For more information you can call on this number Toll Free 1-800-553-9461 or visit "".