OOOLED Dimmable 5W PAR16 Short Neck LED COB Bulb, 50W Halogen Equivalent Energy Star ETL-listed Spotlight PAR16 LED Bulb, 3000K Warmlight 450lm, 60&deg; Beam Angle for Spot, Recessed, Track 5W serve as a 50W equivalent, up to 85% energy saving comparable to halogen/incandescent light CRI&gt;80, showing object colors realistically and naturally, Energy Star ETL listed reliable quality for your safety and damp locations 100%-5% dimming smoothly, compatible with most dimmers, no-flickering & quiet operation E26 medium screw base, perfectly fitted in most Edison screw-in sockets Each bulb can last more than 22.8 years with 3 hours/day, reduce re-lamp frequency and maintenance cost