Description Way: Put in the water tank that you want to measure. The indoor temperature and humidity display. Default celsius temperature. Product uses: (1) Measuring the Inner and Outer Temperatures of Vehicles (2) Measuring the temperature inside and outside the air-conditioned room (3) Measuring the temperature inside and outside the refrigerator (4) Measuring body temperature (5) Measuring the Water Temperature of Fishpond (6) Measuring the temperature of the baby's bath Product introduction: 100% and high quality Type: Thermometer Main Color: Black/White Temperature Measurement Accuracy: 1.0 Celsius Relative Humidity Test Range: 5% -80% Humidity Resolution: 1% Humidity Measurement Accuracy: 5% (at Room Temperature 25 Celsius) Display Resolution: 0.1 Celsius Display: LCD Power: 0.15 mW under Working Conditions Battery: 2x DC 1.5V LR44 Button Batteries (not Included) Temperature Measurement Accuracy: 1 Celsius 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.) Note: 1.Please allow 0.1 cm error due to measurement tools and manual measurements. 2.Because of the difference in light and resolution, the color of each product will be different. Thank you for your understanding and hope you have a nice day! The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom’s policies and EU Product Safety and Compliance laws.