The HOMESAFE EWD-1 WIRELESS HOME SECURITY MOTION SENSOR is an add on adjustable motion sensor for the EWD-1 Safety Technology, Safe Family Life, or the HomeSafe Barking Dog Alarms. It is also compatible with the HomeSafe Wireless Outdoor Siren;
It can detect motion from up to 8 meters (26 feet) away and has 110 degree motion detection angle. It has a wireless radio frequency range of up to 300 feet. When triggered the RF signal activates the alarm. Uses one 9-volt battery (not included). Easily protect every window and door of your home.