1、12/24 Hour System: This LED clock adopts 12/24 hour system, which can be easily switched according to your preference, easy to operate. 2、Temperature Display: This bedroom clock support temperature display and units conversion(℃ and ℉) , meeting your basic needs for daily life. 3、Large Screen: This bedroom clock is designed with large screen that can clearly display the numbers and characters, and it supports always on mode and power saving mode. 4、USB Or Battery Powered: This small digital clock can be easily powered by USB cable(cable included) or 3 AAA batteries(battery not included), offering great convenience. 5、Wide Application: This small digital clock with large curved LED screen is great for desk, bedroom, living room, office, dormitory, etc.