Name: Multi-function display clock Size: 22.8*7.5*3.5cm/8.98*2.95*1.38in Power supply: USB Display: LED Shape: rectangle Memory battery: 2*AAA (not included) Packing list: 1*clock 1*Instruction manual 1*USB cable LED simple wall clock, can be the same screen display time/week/temperature/humidity, the date needs to jump display. dual-color design, distinguish different areas, see the time more intuitive. automatic light-sensitive adjustment of brightness, you can also manually adjust the brightness, 3-step brightness adjustment, USB interface. Unique winding design on the back to avoid wire interference, more beautiful, keep your home in order. Back hanging hole design: safe and solid, not easy to fall. Large Arabic numerals display, easy to read. Suitable for study room, dining room, office, conference room, laboratory, school, hotel reception hall, store, etc.