Humidity Gauge Indoor Thermometer - Digital Indoor Humidity Sensor Room Thermometer with Temperature Humidity Monitor, Accurate Hygrometer Thermometer Meter for Home Greenhouse Wine Cellar Features:  Humidity gauge indoor thermometer indicates DRY/COMFORT/WET air condition quickly with just a glance. Ensures proper humidity, great for monitoring family's living conditions and health by preventing colds, dry skin, asthma, allergy, mold etc. High Accuracy & Fast Refresh: Temperature range 14.2˚F~140˚F(-9.9℃~ 60℃) degree with ±2℃ accuracy and humidity range 10% ~99% with ±5%RH accuracy. The inside sensor detect changes in temperature and humidity every 10 seconds to provide you the latest readings. NOTE: Temperature below 14.2˚F or humidity below 20%, it will reads LL˚F/LL%. Temperature above 140˚F or humidity above 95%, it will reads HH˚F/HH%. Clear LCD Display, Easy to Read: Humidity temperature gauge (size 2.76*2.76*0.55 in) with 3.34 inch large LCD display features neat and slim border, easy to read from any angle and distance. And it’s portable and lightweight , you could take it anywhere easily. ℉/℃ Switchable by "+", 12h/24h selected by "-". NOTE: This model do not have backlight to extend battery life. 3 Replacement Ways: Strong built-in magnet for secure attachment to metal surface directly, it also comes with a stand for place on desktop, or you could use the adhesive pad to place anywhere in your living room, baby room, kitchen, basement, office, greenhouse, guitar room, garden and cellar. NOTE: Please attach the adhesive pad on clean surface for 24 hours before you place the thermometer on. Date and Clock Feature: Exclusive design with date and clock, you could get the time easily. Coming with 2*CR2032 button battery, each battery can last 8-12 months. What you get : a indoor thermometer, two batteries, an adhesive pad and a user manual. Specification:  Material: PA+CU+FE Temperature Range: 14.2˚F~140˚F(-9.9℃~ 60℃) Temperature Accuracy: ±2℃ Humidity Range: 10% ~99%   Humidity Accuracy: ±5%RH  Model: GM1371 Screen: LCD Date Mode: YYYY/MM/DD ℉/℃ Switch: Yes 12h/24h Switch: Yes Battery: CR2032 (3V) Packaging Size: 100 * 62 * 15mm / 3.94 * 2.44 * 0.59in Product Weight: 76.5g / 2.69oz Gross Weight: 100g / 3.53oz Package List: 1 * Humidity and Temperature Gauge 1 * CR2032 (3V) 1 * User Manual (English)