1. The product is small and exquisite, easy to carry and store 2. Anti reverse protection, strong anti-interference ability 3.Adopting copper particle sintering or PE material protective cover, waterproof and breathable 4. Adopting digital temperature and humidity sensors, with high accuracy and debugging free 5. Widely used: 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% RH/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% RH Temperature and humidity refresh time: 0.5S Line length: approximately 1M Applicable environment: The device can be used in a non condensing environment of 0-99% RH Colour:Photo Color Material:PE type:PE Head Package Contents: 3 x Temperature and humidity sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.