1. Both temperature and humidity, Simultaneous measurement of temperature(Celsius / Fahrenheit) and humidity 2. No battery required, can be automatically sensed 3. All-aluminum metal shell, small and convenient size, and can be installed in any position for measurement. 4. The temperature and humidity measurement range is large, and the unit can display Celsius and Fahrenheit synchronously, Measurement results at a glance 5. Can be used to measure greenhouses, homes, warehouses, offices, and other occasions Specification: 1. Temperature range: -30 ~50 Celsius (-20 ~ 120 Fahrenheit), 2. Humidity range: 10-100%RH, 0-100%RH 3. Temperature resolution: 1 Celsius (2 Fahrenheit) 4. Humidity resolution: 2%RH 5: Battery: No Need Battery Colour:silver Material:Metal Size:57mm Package Contents: 1 * Thermometer Only the above package content, other products are not included. Note: Light 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.