1、The equipment is made of high‑quality anti‑ultraviolet materials, which can effectively block ultraviolet radiation and prevent rapid aging of the equipment. 2、High accuracy, wide range of ambient temperature, stable and reliable work. 3、High‑density material shell, enclosed by a waterproof strip to protect the circuit board and has a significant moisture‑proof effect. 4、RS485 signal output, standard communication protocol, stable output signal. 5、Small size, light-weight louvered box structure, standard 6-story height, can be adjusted according to user needs. 6、It is widely used in agricultural greenhouse, flower culture and other occasion requiring CO2 and temperature and humidity monitoring. 1 x CO2 Temperature Humidity Transmitter1 x Bag of Screw(8pcs) Condition: 100% Brand NewItem Type: CO2 Temperature Humidity TransmitterMaterial: ABSColor: As shown in the pictureSize: Approx.138x78mm/ 5.4x 3.1inMounting Bracket Length: Approx.67mm/ 2.6inWeight: Approx.655g/ 23.1ozApplication: Integrative temperature transmitterTemperature and Humidity Parameters:Temperature Range: -40℃-80℃Humidity Range: 0%-100%RHTemperature Accuracy: ± 0.5℃ (25℃)Humidity Accuracy: ±3%RH (5%RH-95RH, 25℃)Power Supply: DC10-30VOutput Signal: RS485 (for Modbus protocol)Response Time: <15S (1m/s wind speed)Long-Term Stability Temperature: < 0.1C/y, humidity: <1%RHlyCO2 Parameters:Range: 0-5000ppmAccuracy: ±(40ppm+3%F•s) (25℃)Working Temperature: -20-+60℃, 0%-80RHPower Supply Mode: DC 10-30VOutput Signal: RS485 (for Modbus protocol)Response Time: <10s (1m/s wind speed)Warm-up Time: 2min (available), 10min (maximum accuracy)Long-Term Stability: <30ppm/y