Electronic Digital Temperature Humidity Meter Indoor Outdoor Thermometer Hygrometer Weather Station Clock                     Large LCD screen and backlight: improved hygrometer thermometer with 3.7 inch LCD display, easier from any angle and distance in dark conditions .     Max and min within 24 hour records: the digital thermometer shows MAX & MIN humidity and temperature records for 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 for home, bedroom, baby room, kitchen, greenhouse, guitar room, office and wine cellar     Comfort level indicator: the room thermometer has 3 levels of symbols: wet/comfort/dry, which shows the different temperatures and humidity based on the air conditioning, so you can easily monitor over action requirements for 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 for home use and suitable for outdoor use.     color:Black / White     Material:ABS     size:8.5 x 9 x 2cm          Package Contents:     1 x thermometer          Only 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.