This attractive Acctim radio controlled white alarm clock is tuned to the UK's MSF transmitter, so it has fully automatic set up & adjusts to summer and winter time changes. The clock has a multicoloured digit display that shows the time in either 12 or 24 hour formats, along with the date and indoor temperature in either °C / °F. This clever clock also features a backlight brightness control you can set to your own preference and an alarm with a snooze function. It also includes an upgraded with battery back-up feature, simply plug the clock into the mains, remove battery isolating tab and press RESET button to start Radio signal search. Plus it comes with a 1 year guarantee.