Jumbo wall clock 50 cm for large rooms - Radio controlled clock DCF77 or quartz clock - Battery operation 1x LR14 baby 1.5 V battery is not included - For indoor use - Approx. 3 kg - Housing - IP 40 EN 60 529 - Not protected against moisture - Protection against foreign objects with a of over 1 mm - 50 cm - Depth approx. 6.1 cm - Very representative metal housing - Made of aluminum, satin finish - Front glass - Mineral glass, not ball-proof - Dial - Very clear metal dial - Can be read without a doubt even from a greater distance - Visibility 40 m in illuminated rooms - Painted white - With black, Arabic numerals - Hands - Black bar display for hours and minutes - Red second hand, which clocks by the second - Radio controlled clock DCF77 - Synchronized from the time signal transmitter DCF77 in Mainflingen, the time is always correct to the second. Time setting and summer/winter time changeover are fully automatic. - Quartz clock - The accuracy is determined by an oscillating quartz. The average rate deviation is less than 1 second per day. The time setting and changeover is done manually. Due to the battery operation, the quartz wall clock can be operated independently of the mains.