WAI-220 is kind of wireless AI (analog input) transducer that allows you to integrate with the 3rd-party conventional sensor (i.e. CO & CO2) by 4-20mA current input to measure the gas concentration.

Function Specification:

- ZigBee Pro (2.4GHz) RF interface

- LED indicator

- 3rd-party sensor integration by 4-20mA input

- Wall-mount bracket

- RSSI (Received Signal Strength Indication) supported