Upgraded: Add dog's barking, 911 alarm sound to 36 unique ringtones. Best gift for family.
Motion Sensor Alarm: The transmitting range between Motion sensors and receiver is supposed to 328ft/100m(no obstruction). Motion alarms detect movement within 0- 110 degree.
Customized Alarm Chime: Features 36 unique ringtones and 5 adjustable volume?0-110dB). When sensors detect motion, the plug-in receiver will instant alarm and flash Blue LED light to remind you of family/visitors/thieves.
Door Entry Chime: The motion sensors are not waterproof. The home security sensors are ideal for front doors, garage or store. It is simple to install the motion alarm with 3M tape and 360°rotatable wall mount.
2 Power Supply Mode: The motion sensors can be supplied power by 3*AAA batteries(included) or micro USB(Not included, only for supplying power, not for charging).