Low Voltage E26 Medium Screw Base 15 Watt LED Light Bulb Offgrid Power Storage Battery Systems Landscaping Path Fishing Marina Boat Yacht RV Motor Home 12V 20V Wide Range Input - 3000K Warm White, 15W LOW VOLTAGE 12 VOLT SYSTEMS ONLY - Tolerates Unstable Voltages Up To 20V - 2" Diameter / 4.5" Total Length Including Screw Base = 75W Incadescent Bulb COZY AND COMFORTING GLOW WARM WHITE 3000K - For Homes and Residential Setting - Long Lasting With Long Warranty PERFECT LIGHTING FOR ANY BATTERY STORAGE SYSTEM - 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. RV - CARS - TRUCKS - MOTORHOMES - BOATS - 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 ECO-FRIENDLY & LONG LIFE TIME - No Toxic Mercury, 360 Degree Light Emitting, 30,000+ Hours Life Span - Use A Transformer Free Bulb And Avoid Losing 15% to 20% In Efficiency By Loss Via Power Step Down. State Of the Art Lighting For Residential Indoors Or Commercial Outdoor Use And A Endless List Of Other Lighting Applications