21 Inch Large Digital Wall USB Powered Time Calendar 12/24H Time/Day/Month/Year/Temp Display Electronic LED Alarm Clock

21 Inch Large Digital Wall Clock USB Powered Time Calendar 12/24H Time/Day/Month/Year/Temp Display Electronic LED Alarm Clock Features: -- Simple fashion appearance, smart electronic wall clocks -- 21 inch large screen -- Day, month, year, week, temperature, displayed on the same screen -- Three level brightness adjustable -- 12/24-hour conversion Basic Parameters: Name: Large screen wall mounted alarm clock Size: 480 * 25 * 250MM Power supply: Plug in(5V 1A) Packing list: 1 * Large Digital Wall Clock 1 * Plug-in cable Please note: Carefully check both ends of the packaging box, the accessories are at the innermost part of the box, do not throw them away together with the packaging box