The screen will remain backlit only when linked to a power source using the provided USB cable or a compatible DC adaptor (not provided). To maintain the time and alarm settings, 3 AAA batteries (not provided) are necessary. A USB power cable measuring 1 metre / 3 ft is included.
14 or 24 hour format, Acrylic alarm clock. LCD screen
Night screen brightness setting USB power cable included
Alarm and snooze function, Temperature display 0-37°C