Viper Home Security Magnetic Door/window Sensor

Protect the key entry points in your home with these easy-to-install wireless detectors. With no tools required, you can install this long-range, magnetic door/window sensor set to protect the key entry points in your home. Designed to be compact and discreet, the battery-operated units, included in the Starter Kit, will notify the system whenever an access point is opened or closed. The system then relays that info to your smartphone! The detectors work by communicating via 2-way RF to the main VIPER home hub. And you won't have to worry about the distance of the sensor to the hub since they have a maximum range of 1,640 feet, enabling them to secure even the largest homes. With additional sensors, you can cover every access point! The power efficient detector set also features up to two years of battery life for easy maintenance.