This radio controlled alarm clock which is tuned to the UK's atomic clock transmitter, featuring fully automatic set-up and adjustment to summer/winter time changes. The multi-function LCD display displays the time, calendar and indoor temperature. Crescendo alarm with snooze comes with white backlight and requires 2 X AAA batteries (available separately). Features/Benefits White backlight - Allows you to see the screen with a push of button in dark.LCD display - Displays the time, calendar and indoor temperature. Specification Dimensions: H7.4 X W8.2 x D5cm Guarantee: 1 year Colour: Black  Material: Plastic Battery: 2X AAA (Not included)