Safety Technology International Wireless Motion Activated Chime with Receiver

STI Wireless Motion Activated Chime alerts when someone enters the transmitters detection zone. Mount the motion sensor and plug chime receiver into any electrical outlet within operating range. Quick and easy to install - no wiring needed. The weather sealed transmitter has 140 ft. x 40 ft. detection zone. Includes adjustable mounting bracket. All chimes are compatible with each other. Distinguish between entries by adding sensors and selecting a different chime on each. Transmitters have up to 500 operating range. Receiver has high and low volume adjustment. Includes a low battery alert. Ten (10) sound options: Ding, Dong, Ding-Dong, Westminster 4 Note, Westminster 2 Note, Knock, Jingle Bells, Barking Dog, Bicycle Bell, Buzzer.