Original design, patent no.0801078.3 LED Flashlight (LED lamps) with Radio Controlled Clock (Atomic Clock).travel clock,clock,clock,table clock, LED light,LED torch --DCF, JJY, WWVB and MSF versions available --With reception indicator --12/24-hour format display selectable --Perpetual calendar with month, date, day of week --Different languages for week day display available --Alarm and snooze functions --Temperature display --LCD backlight --With three white LEDs Remarks: DP-810D: DCF version DP-810W: WWVB version DP-810JJJY version