Wireless slim door/window sensor  |
| Features | : | Detect vibration or door/window open output wireless radio signal, Double sensor magnetic sensor and vibration sensor, Slim shape (8mm) with mini retractable antenna, 2 lithium cell baterries operation (included), Low power consumption, long baterry life, Wireless rf transmission, up to 3000 feet, Battery low indicator LED, Magnetic switch left/right side either way is workable, Compatible with additional wire magnetic sensor |