Inkbird Programmable CO2 Controller Carbon Dioxide Regulator ICC-500T NDIR Probe
【Accurate Reading 】: Adopted the NDIR sensor to get a precisely CO2 ppm level；. 【Dual Sockets】: WORK1: The CO2 regulator or generator; WORK2: The exhaust fan. 1 pcs S01 Probe only(No machine, only the probe).