WDI-220 is kind of wireless DI (digital input) transducer that allows you to integrate with the 3rd-party conventional sensor (i.e. CO & fire) by NC/NO interface.

Function Specification:

- ZigBee Pro (2.4GHz) RF interface

- LED indicator

- Up to 1 year battery life

- 3rd-party sensor integration by NC/NO dry contact

- Wall-mount bracket

- RSSI (Received Signal Strength Indication) supported