DIGITAL LED CLOCKFeatures: clock with red 7-segment displays in an attractive enclosure automatic time base selection (internal or net-frequency controlled 50/60Hz) Internal time base with fine-tuning adjustment internal time base with fine-tuning adjustment select 12h- or 24h-mode for the time display equipped with backup battery (3 x AA) in case of power failure clock still displays the time in case of power failure power supply: 9V AC/DC dimensions: 3.6 x 1.8 x 4" Check out more fun and exciting electronic kits
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