These LED Lite Digi Day Electronic Scoreboards allow your safety message to shine brightly through a durable 1/8" acrylic sign face that is backlit with over 50 long-lasting, LED bulbs. Face design features bold colors and large letters. Sturdy, black aluminum frame surrounds the scoreboard cabinet with an aluminum backing. Measures 20"W x 28"H x 2 1/2"D. For indoor use only. Digi-Day® technology eliminates the daily need to manually change numbers or write-in safe work days. Four-digit LED number display with 2 1/2"H numbers has an internal clock that automatically advances your safe days every 24 hours. Tamper-proof electronic display is controlled by an easy-to-use handheld remote and stores the last number in the event of power failure. Operates on 110VAC with 8-ft. power cord.