Seco-Larm RC-135Q RF Wireless Motion Alert

Provides audio and/or visual alert when triggered. Sensor range up to 26ft (8m) at 40° angle at 3ft (1m) height. Up to 390ft. (120m) transmission range between sensor and receiver.* Plug and play operation, no hardwiring necessary. Battery operated (3 AAA for sensor and 2 C for receiver). Batteries not included. Receiver can be powered by a 500mA@6VDC power adapter (not included). Battery life for sensor is up to 6 months and for receiver is up to 3 months (based on 4 triggers/day on High mode). Low battery indicators on sensor and receiver. 4-position switch: Off, Silent, Low, High. Mounting hardware included. *Transmission range between sensor and receiver will vary depending on installation and environment