Feature: 1. Real-time accurate measurement, the temperature range is -9.9C-50C, and the humidity range is 10%RH-99%RH. 2. Cartoon comfort indicator, a smiling face means "comfort" (relative humidity: 40%-70%), and a crying face means "unpleasant" (relative humidity: 70%). 3. Large LCD display, easy to read. 4. Flexible placement, it can be placed on the desktop or hung on the wall. 5. Easy to use, C / F can be switched at any time. 6. A wide range of applications, suitable for use in many places, such as indoors, offices, homes, baby rooms, bathrooms, flower rooms, etc. Specifications: Backlight and no backlight Type: Electronic Digital Thermometer Color: White Material: ABS Temperature measurement range:-50C-70C Humidity measurement range: 10% ~ 99% (RH) Temperature measurement accuracy: 1 C Humidity measurement accuracy: 5%RH Temperature measurement error: 1 C Humidity measurement error: 5%RH Temperature resolution: 0.1 C Power supply: 1.5V AAA Battery (Not included) Size: 82*78*21mm/3.22*3.07*0.83in Net weigh: 66g Package Included 1* Electronic Digital Thermometer Specifications: Indoor and outdor no backlight Material: ABS Indoor Temperature: -50 ~+70 Centigrade (-58~+158 F) temperature measuring Accuracy: 1(1.8F) Outdoor Temperature: -50~+70 Centigrade (-58~+158 F) temperature Resolution: 0.1(0.2F) Indoor Humidity: 10%RH~99%RH Humidity measuring Accuracy: 10%RH Battery: 2 * 1.5V (AAA) Battery (Not included) Product size: 88.7x78x21.8mm Weight:93g Cable length:1.4m