Retrofit PAR36 LED reflector lamp bulb with high rigidity sealed quartz glass body shell, waterproof IP67, rustproof and vibration proof. AC/DC 12V low voltage input, safe touch, can be drived by transformer, battery or solar power supply. Multi-purpose lamp base featured with screw terminal for easy DIY wiring, spot light beam. Good to landscape lighting, pool lighting, architectural lighting, spot lighting, stage lighting, off-grid systems, agricultural & gardening equipments, off-road vehicles and ships, etc., mainly for outdoor and semi-outdoor use.