GREAT FOR ANY 12V DIY PROJECT - 6 Watts + Transformer free - For use with any low voltage DC 12 volt power source and handle unstable voltage spikes up to 36V - which include and not limited to cars , boats , marinas , trucks , motor homes , RV , off grid solar systems , other renewable energy systems , theatrical productions , train , trailers , remote cabins , landscaping lighting and much more application EASY INSTALLATION WITH ANY LOW VOLTAGE PAR36 FIXTURE - Safety first and internally fused - Join us in an increasing diversity in lighting tech these days , low voltage LED bulbs are more flexible than ever. Mount them anywhere you want and eliminate the need to have AC wiring or cable running around everywhere providing a much safer solution 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 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. DO NOT Use With AC 120V Or AC 240V - This Is A Bulb Designed For Low Voltage AC DC 12V - 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