Sound Control and Backlight function: Press the button LIGHT to turn the backlight on or off, or turn on the light lasting for 5 seconds by clapping your hands with in1 meter or tapping the desk, which is for the convenience of checking time at night.Time display: Time: ( 12 / 24 hours )Date: ( 2000 - 2099 Years)Week: ( 7 different languages )Temperature display: ( switch between Fahrenheit and Celsius )colour: blackMaterial: ABSAlarm / snooze function: Alarm can be set with 8 optional alarm music.Universal Time: Can display the universal time and 16 cities can be set to local timeTiming: with a countdown clock ( within 24 hours), there will be alarm reminder ( about one minute )Temperature range: 0 Celsius - 50 Celsius Celsius ( 32 Fahrenheit -122 Fahrenheit)Temperature accuracy: +/-1 CelsiusHumidity range: 10~99%Humidity accuracy: +/-5%Power: 2XAAA(Not included)12/24 H selectionDimension: 92X92X50MMPackage includes: 1 x Temperature and Humidity Clock1 x InstructionsOnly the above package content, other products are not included.Note: Light 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.