100% Brand new and high quality
Infrared sensor detects motion and sends a signal to the receiver
Wireless installation， just place the sensor at the entrance
Send audible chime sound， alerting you that somebody is approaching
Working Range: Up to 100 meters / 328 feet between receiver and transmitter
Receiver Switch Setting: High / low volume / off
Receiver requires 2x AA batteries， transmitter requires 1x 9V battery (batteries not included)
Ideal for front door， window frame， driveways， walk paths， and anywhere you need
Color: White
Transmitter Size: Approx. 9 x 6 x 4.5cm (L x W x H)
Receiver Size: Approx. 9 x 6.5 x 2.5cm (L x W x H)

1 x Transmitter
1 x Receiver
2 x Mounting Accessories