Welcome to the shop! This thermometer and hygrometer boasts a sleek, compact, and portable design. Enjoy safe and reliable performance with low power consumption and high accuracy. Features include ℃/℉ selection, automatic shutdown, data hold, and an LCD backlight. The max/min display function allows you to measure wet bulb temperature. The durable ABS shell is wear-resistant and built to last. Item Type: Temperature Humidity Meter Material: ABS Ambient Temperature Range: -20℃-70℃ (-4 ~ 158℉) Ambient Temperature Accuracy: ±1℃ Humidity Range: 0%-100% RH Humidity Accuracy: ±4% RH Dew Point Range: -20℃-50℃ Dew Point Accuracy: ±2℃ Wet Bulb: -20℃-50℃ Wet Bulb Accuracy: ±2℃ Power Supply: 3 x 1.5V AAA battery (battery not included) Working Current: 13mA, 17mA (backlight) 999 Sets of Data Storage: Supported ℃/℉ Selection: Supported Data Hold Display: Supported Maximum/Minimum: Supported Automatic Shutdown: Supported Includes: 1 x Temperature Humidity Meter (battery not included), 1 x Instruction Manual Your 100% satisfaction is our top priority. We are committed to providing you with the best service. If you encounter any issues upon receiving the product, such as damage or incorrect quantity, please contact us immediately, and we will provide you with the best solution!