Date display and Alarm ? RM313P Superbright projection of current time. The RM313P is a multifunction (RF) controlled clock. It can automatically synchronize its current time and date when brought within an approximate 1500 km radius of the radio signal DCF77 generated from Frankfurt, Germany (the UK version from MSF Rugby, England). To facilitate night time reading, the unit comes with a projector that can cast large, clear clock-time figures onto flat surfaces in the dark. It also has a back light for easy reading of the display. Features: Projects time image on the ceiling or wall of a darkened room 2-line LCD display Accurate time Daily crescendo alarm Date calendar with date, month, and day-of-the-week abbreviations in 4 languages (English, French, German and Italian) 8 minute Snooze function Strong Back light Uses 2 AA size 1.5 V batteries Product Specifications Operating Temperature -5?C to 50?C Radio Controlled Auto synchronizes time and date by Radio signal generated from Germany DCF77 (the UK version from MSF Rugby, England) Calendar Day of week in English / German / French / Italian Current date / month format Clock time 24-hour format Alarm duration 2-minute crescendo Snooze 8 minutes Accuracy +/- 0.5 second day Battery type 2 UM-3 or "AA" size 1.5 V batteries Unit dimension 107 x 115 x 64 (H x W x D) Unit weight 175 grams (without battery) Comes with power adapter for continuous operation of the time projection feature