Super Bright White 6000K DC 12 Volt To 20 Volt Medium Screw Base 120x 5050 LED Cluster E26 E27 Socket DC 12V-20V Off Grid Solar Battery Power Storage Bus Ferry Yacht Lighting Work Emergency Lighting 2.75" Diameter / 5.75" Length Including Base - Marine Yacht Boating System , recreational vehicle lighting system , camping Solar Panel Power Systems , off grid remote cabin system Fishing Camping Emergency 12V systems marine yacht boats Motor Home trailer truck Camper Lighting DO NOT Use With AC 120V Or AC 240V - This Is A Bulb Designed For Low Voltage DC 12V to DC 20V - Failure To Use Proper Voltage May Cause A Short Circuit Resulting In A Blown Fuse - Please Make Sure This Is The Correct Application Type And Voltage Of Bulb - Please Disconnect All Power Before Installation - Extended Lifetime With Low Maintenance And Maximum Illumination Per Watt - 6000k Cool Bright White For That Strong And Power Look For Displays And Commercial Office Setting - Use On Low Voltage Power Stations,PC Work Stations,Work Benches,Work Shops, Engine Shops , Marina's , Solar Off Grid Systems , Wind Turbine Systems And Any Other DC 12 Volt Battery Power System Great For Custom Accent And Studio Designer Lighting Effects With Massive Savings On Energy Consumption And Power Cost. Take Advantage Of A Safer Lighting Solution For Your Remote Lighting Needs.