Features High Accuracy: Ensures high accuracy, this temperature and humidity monitor can measure and display real time date with small error. Record Function: The maximum and minimum values can be stored and displayed, and an alarm will be issued if the record exceeds the upper and lower limits set by yourself. Touch Screen: Touch screen together with clear panel adds more convenience to the operation, making your daily life more enjoyable. Back Lighting: Backlight function enables easier reading in the dark, which makes it much easier to build a more comfortable night. Easy Placing: Adopt desktop placing and wall mounted design, convenient installation function, suitable for various types of rooms. Specification: Item Type: Hygrometer Thermometer Model: TS-E02-W Material: ABS Display Size: Approx. 120 x 85 x 20mm / 4.7 x 3.3 x 0.8in Power Supply Mode: 2 x AAA battery (not included). Update Rate: Real Time Update Temperature Range: 0-50 (℃) (error: ±1℃) Humidity Range: 20%-95% (error ±5%). Package List: 1 x Hygrometer Thermometer 1 x User Manual Package List 1 x Hygrometer Thermometer 1 x User Manual