Wireless Infrared Motion Sensor Door Security Bell Alarm Chime Entrance Alert Doorbell

Features Just place the sensor at the entrance to your driveway and the receiver inside your home Alerts you when someone enters your driveway walking paths doorway or business such as visitors vehicles intruders animals or kids coming or going Advanced notice when someone or something enters before they surprise you Use it to monitor any area inside or outside its wireless so you can place it anywhere in the house or even take it from room to room Specifications Color White Working Voltage of the Receiver 220V Plug EU Plug Working Voltage of the PIR Sensor 4 5V 3 AAA batteries Not Included Volume Adjustment High middle low Working Ranges 70 meters Music Source 36 different songs Infrared Sensing Ranges Up to 23 feet 7 meters Package Included 1 x Bell Alarm Operated Sensor1 x Receiver3 x Screws1 x English ManualDetail Pictures