106-273

This slim wireless door & window sensor is ideal for door and window applications and features Ness's industry-leading two-way technology.

• One built-in reed switch,
• Front and back tamper option

The low profile body of the reed switch and supplied magnet allows for unobtrusive installation on door and window frames in cases where wired reed switches cannot be used.

Compatible With

Ness M1 Two-Way wireless transceiver 101-292
Ness TWR-SCR standalone transceiver 106-304

+++Requires ER14250 Battery- Not
Supplied+++