Two step metal case finished in a gloss Royal blue, light responsive LED's automatically turn on at dusk to illuminate the highly reflective ink so the time and instruments can be read in the dark and off at sunrise, 5 hour timer to shut off the LED's to conserve battery power, protective glass lens and movement cover are fully gasketed, making the clock weatherproof under any condition. A silent sweep seconds hand (no ticking) smoothly measures the passing minutes. Uses 1 AA battery (for clock) and 4 D Cell Batteries for Lights (not included.)