The ELK-6023 Wireless Recessed Door Sensor is the ultimate wireless security device for discriminating customers. It mounts into a 3/4in. drilled hole in a wooden door jamb and becomes nearly invisible once the door is closed. It features Elk's Industry Leading Two-Way Technology with positive signal acknowledgment, extended range, and long battery life.Includes:
The Inovonics single input universal transmitter is designed for use with almost any standard contact or sensor. Continuous check-ins ensure reliability.Features: