Whadda digital LED clock kit

Clock with 7-Segment display in an attractive housing. Time base is automatically selected (internal control or controlled via network frequency 50/60 Hz). Internal time base with fine tuning. Selection between 12 or 24 h mode for the time display. Equipped with a backup battery (3 x AA) in case of a power failure. Clock are the time in case of power failure. This text is machine translated.