Description: 2, Energy saving and kind to the environment, no sound is generated: one LED on each dot, the light is very soft, and the brightness can be adjusted,no heat generated, the power consumption is less than 1.5 kWh per month. There is no radiation. LED clock face is still visible in daylight, with an LCD clock it must be positioned carefully with it's back against the light as it is not very easily visible with light shining on the face, not so with this LED clock which is always very easy to read. Functions: 1 Time display: Hour/min/sec display. 2 Calendar: Available to switch to calendar display. 3 Temperature display: Available to switch to Temperature display. 4 Alarm: with the alarm function you can set the time interval between each alarm alert from 1 to 60 minutes. 5 The ringtone adjusts from soft to loud, and slow to fast. 6 Light function: at night, it works as light, the brightness of lighting can be adjusted. Then this clock can work as a little night light so is good for children's bedrooms. 7 It is suitable for bedrooms, living rooms, coffee rooms, hotels, but can also be used in sports halls, workshops, public places, supermarkets, shopping malls, busses, warehouses, classrooms, bus stations, railway stations, metro stations, anywhere you want to place it. 8 Mirror surface: its surface looks like a mirror when the power is off, it almost likes a cell phone surface effect. 9 AC/DC adapter, transformer supports: 100-240V,50/60Hz. Package Includes 1 X Clock 1 X Power Cord (Notice: a, The CR2032 battery is only used for memory function. b, Please inform us which adapter you need. Otherwise, we will send you the one that we consider appropriate.