Feature: TEMPERATURE AND HUMIDITY METERThe product supports temperature and humidity display, a high-sensitivity sensor that always pays attention to changes in indoor and outdoor temperature and humidity. In any state, press and hold the DOWN button for two seconds to convert between Celsius and Fahrenheit. WITH CLOCKThe product has a time display, and the alarm sound lasts for 1 minute. The clock status flashes between two dots between hours and minutes. In any state, press the MODE button to switch the display time and alarm. TOUCH SCREENDigital thermometer features touch screen, MODE key, UP key, DOWN key 3 keys can be operated by touch. Screen with white backlight design, easy to read. MULTIPLE MOUNTING WAYSTemperature gauge has back bracket, which can be placed on bedside table, desk, office. It is also designed with hanging holes and built-in magnets, which can be hung in different positions or attached to the refrigerator. BATTERY OPERATEDThe Thermometer is powered by 2 x AAA batteries(not included), it can work continuously for a period of time, just replace the battery in time. It is cordless and no need to recharge, more convenient to use. Specifications: Color: Black, blue Material: Plastic Power by: Built-in 2 x AAA batteries (not included) Temperature range: 0~50, 32~122 (check every 1 minute) Temperature accuracy: +/-1 Humidity range: 20%~99% (check once every 1 minute) Humidity Accuracy: +/-5% Size: About 90 x 90 x 26.3mm/3.54 x 3.54 x 1.04inch(L x W x H) Package Includes: 1pc x Digital thermometer 1pc x English manual Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement. 3. Do not place the product in a high temperature, high humidity or dusty environment. 4 When the display becomes dim or the touch keys are not sensitive, please replace the battery. Instructions for use: 1. The screen is fully displayed for 1 second when it is powered on, and the temperature and humidity are detected. The backlight lights up for 5 seconds, and enters the time state with the sound of beep; the default temperature is Celsius when powered on; the initial time is AM12:00. 2. In any state, press the MODE button to switch the display time and alarm; when no alarm is set, the alarm state is represented by three horizontal bars (-:--), after setting the alarm time, the normal time and the alarm time The difference is (normal time hour and minute middle 2 o'clock is beating alarm time hour and minute middle 2 o'clock is static). 3. Setting the time: in the time state, press and hold the MODE button for two seconds, the hour starts to flash, single press the UP or DOWN button to increase or decrease, long press the UP or DOWN button to rapidly increase or decrease; press MODE again Press the button once, the minute starts to flash, press the UP or DOWN button to increase or decrease the minute, and long press the UP or DOWN button to quickly increase or decrease the minute. 4. In the time state, long press the UP button for two seconds to achieve 12/24 hour conversion. 5. Set the alarm: in the alarm state, press and hold the MODE button for two seconds, the hour starts to flash, single press the UP or DOWN button to increase or decrease, and long press the UP or DOWN button to quickly increase or decrease; Press the MODE button once, the minute starts to flash, single press the UP or DOWN button to increase or decrease the minute, long press the UP or DOWN button to quickly increase or decrease the minute. 6. In the alarm state, long press the UP button for two seconds to turn the alarm function on or off. 7. In any state, press and hold the DOWN button for two seconds to convert between Celsius and Fahrenheit. 8. No button operation for 20 seconds, it will automatically return to the time state.