Security Driveway Alarm Model:Driveway Alarm Whether you're using it for

Whether you're using it for sports

Its compact and ergonomic design

This CR2 Battery provides 3 Volts output

Extra-Large Grips – Comfortable hand support

Security Driveway Alarm Model:Driveway Alarm Whether you're using it forEntry Door Bell Alarm Chime Doorbell Wireless IR Infrared Monitor Sensor Detector Split Alarm Working Voltage of the Sensor: DC 3V (2 AA batteries) Working Voltage of the Transmitter: DC 9V Working Range: Up to 100 meters 328 feet (open field) Infrared sensing distance: 3 7 meters Music: Classic Single "For Elise" Size: 45. 5*45*35CM Weight: 0. 74kg Receiver Switch Setting: High low volume off Note: 1. Avoid installing the sensor to the position