This exceptionally thin wireless window sensor is perfect for double-hung and casement style wood/vinyl windows and features Ness's industry-leading two-way radio technology. 902-928 MHz spread spectrum frequency-hopping.
142-009 (CR2032) battery included.
Compatible With
Ness M1 Two-Way wireless transceiver 101-292
Ness TWR-SCR standalone transceiver 106-304
