Oversize molded commercial case is finished in black with a contrasting matte silver inner bezel ring, The large easily viewable numbers and minute track are printed in Reflective ink so that in low light conditions the lighted 24-hour timetrack is easily readable. The red Silent sweep seconds hand (no ticking) effortlessly marks of the passing seconds. A glass lens protects the dial. This is a perfect clock for any critical response, computer room or any location that a clear notation of the time is desired. The lighted dial automatically comes on in low light conditions and shuts off when not needed. There are 3 settings; dusk to dawn, 5-hour timer or Off, this allows the ability to save battery power if needed. Uses (1) AA and (4) C batteries (to power the LED lights), not included.