Mini LCD Digital Thermometer Hygrometer Car Auto Temperature Humidity Sensor Meter Indoor Outdoor Temperature Tester Detecor Note:Button Batteries are not included Specifications: New arrival mini black digital LCD indoor temperature humidity meter thermometer hygrometer. Instruments: Put in the water tank that you want to measure. The indoor temperature and humidity display. Default celsius temperature. When the measured temperature is below -50 , display LO . When measured temperature is higher than 70 , display HI . Type: Thermometer Main Color: Black/White Temperature Measurement Accuracy: 1.0 Temperature Sampling Cycle: 10 Seconds Relative Humidity Test Range: 10% - 99% Humidity Resolution: 1% Humidity Measurement Accuracy: 5% (at Room Temperature 25 ) Display Resolution: 0.1 Display: LCD (Three and a Half) Power: 0.15 mW under Working Conditions Battery: 2x DC 1.5V LR44 Button Batteries ( Not Included) Temperature Measurement Accuracy: 1 Features: Room Indoor Thermometer Hygrometer Tool, with Built-in Probe Size: 4.7cm x 2.7cm x 1.3cm/1.85" x 1.06"x 0.51" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package: 1 x Digital Thermometer Hygrometer