Large LCD screen and backlight: improved hygrometer thermometer with 3.7 inch LCD display, easier from any angle and distance in dark conditions (15 seconds auto off).Max and min within 24 hour records: the digital thermometer shows MAX MIN humidity and temperature records Compatible With the last 24 hours, so you can take measures in advance, such as the thermostat or humidifier.Accurate and quick update: the indoor thermometer refreshes every 10 seconds to provide you with the latest readings with sensitive sensors inside. Temperature range: -9.9 C ~ 60 C (14.18 F ~ 140 F), accuracy 1 C; humidity range 0% ~ 95% RH, accuracy 3% RH, suitable Compatible With home, bedroom, baby room, kitchen, greenhouse, guitar room, office and wine cellarComCompatible Witht level indicator: the room thermometer has 3 levels of symbols: wet/comCompatible Witht/dry, which shows the different temperatures and humidity based on the air conditioning, so you can easily monitor over action requirements Compatible With room climate control and health.Smart design with 3 buttons: with 12-hour mode of 12 hours / 24 hours (mm / DD), / F switchable, use 2 x AAA batteries (Not included), simple 1-time set button, our humidity meter is convenient Compatible With home use and suitable Compatible With outdoor use.Multiple mounting options: With a retractable stand and a wall mounting hole, the temperature thermometer is suitable Compatible With any type of room.size:8.6x9cmMaterial:ABScolour:WhitePackage Contents:1 * ThermometerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.