Features: 1) Working voltage: 12V DC 2) Professionally designed to be fully waterproof, IP 67 3) Each module has 4 pieces Flux LED's 4) 100 modules per roll 5) Beam angle: 120 degree 6) Energy efficient, major reduction in power costs 7) Long service life 100,000+ hrs (10+ Years). White LEDs, 50,000+ hrs, virtually no maintenance during lifetime 8) Low heat, high brightness, works well under harsh conditions 9) With mounting holes and 3M adhesive tape on the back for convenient mounting 10) Full range of colors: Red, Amber, Blue, Green, White 11) Solid-State, High Shock/Vibration Resistant Applications: 1) Channel Letters Backlighting 2) Advertisement Signs Backlighting 3) Advertisement Light Boxes Backlighting