Large radio clock 40x40 cm with battery operation. Radio clock DCF77. Battery operation requires 1x LR14 baby 1.5 V battery (not included). For indoor use. Approx. 3.6 kg. Housing dimensions are 40x40x10 cm. Very sturdy aluminum housing, painted white (RAL 9016). Front glass made of Plexiglas XT. Ball-proof design made of 2-pane laminated safety glass (optional).

Dial features a very clear metal design with a print diameter of 33.5 cm, easily readable from a greater distance with visibility of approx. 20-30 m in illuminated rooms. The dial is painted white with black Arabic numerals or black DIN bars, according to DIN 41 091.

Pointer has a black bar display for hours and minutes, with a ball-proof version available as an option. Suitable for use in gymnasiums and sports halls. Robust housing with lever-out-proof 3-point fastening. Includes 2-pane laminated safety glass, 6 mm thick, ensuring very solid workmanship according to DIN 18 032, Part 3. Damp room version is optional.

Equipped with an encapsulated clock movement, it has a protection class of IP 54 (EN 60 529), providing complete protection against contact and dust deposits inside, as well as protection against splash water from any angle. Moisture and dust protected, this clock is only suitable for indoor use.

The radio clock DCF77 is synchronized by the time signal transmitter DCF77 in Mainflingen, ensuring the time is always correct to the second. The time setting and summer-winter time changeover are fully automatic. In the event of a power failure, the clock stops; when power returns, it automatically resets to the current time.