Product detailed description
The screen will be dimmer when running on batteries alone, but bright when you hit the button on top, unless you have the USB cable connected in which case the screen will be really bright.
Size: HWD 11 x 11.5 x 10.5 cm / 4.3 x 4.5 x 4.1in
12 or 24 hour format
Acrylic alarm clock
LCD screen
Alarm and snooze function
Temperature display 0-37°C
Night screen brightness setting
1 metre / 3 ft long USB power cable included
The display will only be backlit continuously when connected to a power source with the included USB cable or a DC adaptor (not included). 3 x AAA batteries (not included) are required to retain time and alarm settings.