Features LCD DISPLAY IS CLEAR AND EASY TO READ ---- Thermometer and hygrometer adopt large LCD screen, neat and thin frame, easy to read from any angle and distance. It is light and portable, and can be easily carried around. You can use "+ -" to switch / , or 12h/24h. RANGE AND ACCURACY ---- This digital thermometer hygrometer updates record every 30 seconds. It provides you precise readings and the latest changes in temperature and humidity readings to ensure proper humidity control, benefit for skin, allergen and other health problems. Wide measuring range that measures temperature from 14.0 to 122.0 -10.0 ~50.0 ), temperature accuracy range around 2.7 ( 1.5 ). Humidity sensor measures humidity from 20% to 99%, humidity accuracy range around 5%. CLOCK FUNCTION ---- This item is not only a thermometer hygrometer, but also an alarm timer clock for time watching. It shows Year, Date, Day and Week. perfect weather monitoring gadget for Home Office. It can widely used for various places, such as room, office, Grow tent, classroom and playground. MULTIPLE MOUNTING OPTIONS ---- Various mounting options. Tabletop Stand and Hanging Hole, you can place the digital thermometer anywhere you want. Back stand can enable easy standing on a table or desk. You can open the back stand to put timers on any flat surface by the retractable stand. You can paste and install it anywhere you like,such as refrigerators, counters, living rooms, baby rooms, kitchens, basements, offices, greenhouses, guitar rooms, offices, gardens and cellars USE THE SETUP METHOD ---- AAA batteries*2 are required (batteries need to be purchased by yourself), which can work continuously for 8-12 months. Helps you keep an eye on the indoor temperature humidity, which is a perfect companion for your humidifier and dehumidifier to ensure a comfortable living space. Specifications Size: 100*100*20mm Packaged Included: 1 * Thermometer and Humidity Monitor 1 * English User Manual