Embedded Portable LCD Digital -50~+70 Thermometer Hygrometer Wirele Electronic Digital Indoor Temperature Humidity Gauge Features 1. It is suitable for various equipment and places that require temperature and humidity measurement and display in refrigerators, display cabinets, greenhouses, laboratories, houses, etc. 2. Mini digital humidity thermometer allows you to easily understand the ambient temperature and humidity. 3. High-definition LCD screen, you can clearly see the results, does not take much space and can be easily taken away. 4. Battery installation: turn over to the back of the product; push open the battery cover in the direction of arrow PI; put two LR44 button batteries into the battery slot. Descriptions : Mini and compact design, with clear LCD display, can be used in various environments, such as offices, baby rooms, greenhouses, etc. Specifications : Color: black, white (optional) Temperature measurement range: -50~+70 Humidity measurement range: 10%-99% RH Temperature measurement accuracy: 1C Humidity measurement accuracy: 5%RH Material: plastic and metal Size: 48*28*15mm LCD size: 35.7*16.8mm Humidity sampling time: 10 seconds Rated voltage: DC 1.5V (2 AG13 button batteries) Package Included: 1 * hygrometer thermometer Notes : 1.Due to differences between different displays,the picture may not reflect the actual color of the item. 2.Due to the different personal measurement techniques,there may be a physical error of 1-3 cm.