1. Exquisite and easy to carry 2. Reverse polarity protection, strong anti-interference ability 3. Uses copper particle sintering or PE material protection, waterproof and breathable 4. Employs digital temperature and humidity sensors, with high accuracy and no debugging required 5. Wide application: suitable for high-temperature environments such as ovens, saunas, steam rooms, etc. DC voltage: DC5-28V Maximum power consumption: ≤0.05W Measurement accuracy Humidity: ±3%RH (60% /25℃) Temperature: ±0.3℃ (25℃) Working range: -40℃~+80℃ 0%RH~100%RH Communication protocol: MODBUS_RTU communication protocol Output signal: RS485 signal Temperature resolution: 0.1℃ Humidity resolution: 0.1% Temperature and humidity update time: 0.5S Cable length: about 1M Applicable environment: The device can be used in a non-condensing environment of 0-99% Color: Photo color Material: PE Type: Metal head Package contents: 1 x Temperature and humidity sensor Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.