TX-E221 - Recessed Wireless Door Sensor – Qolsys/GE & Interlogix 319.5 MHz Compatible

Ecolink’s Wireless Recessed Door Contact is theultimate in discrete protection. Mounted inside the dooror frame, this sensor is invisible when the door is closed. • Compatible with Qolsys/GE & Interlogix 319.5 MHz wireless protocol• Compact design for hidden applications• Only choice for discrete protection• 2.5” x 0.75” diameter• Replaceable lithium battery (CR2)• 5 year battery life• 1.0” magnet gap• FCC and IC approved SKU: TX-E221