Feature:* AC/DC 12V G4 LED light-compatible with AC 12V and DC 12V. It will not flicker when used with a non-dimmable transformer that matches the power of the LED light.* Whether it is dimmable-these G4 lights are not dimmable. Please do not use them with dimmers.*Application-Standard G4/G9 double pin base, very suitable for landscape lighting, lawn lights, hockey lights, under cabinet lighting, ceiling lights, column head lights, recessed lights, etc.*Size: G4: 12mm x 38.5mm (with pins). Please check if they are suitable for your device.*Environmental protection-no lead or mercury, no ultraviolet or IR radiation, in line with ROHS certification. specification: G4: non-dimmable color temperature: 6000-6500K(Cold white)Luminescence: SMD2835 LED chip 180-210 lm (equivalent to 20 W halogen lamp)Input voltage: AC / DC 12V Service life: 30,000 hours Material: plastic beam Angle: 360 degrees CRI> 80Ra Application scope:Very suitable for chandeliers, ceiling lights, landscape lighting, counter lights, cabinet lights, ice hockey lights, RV, trailers, ship deck lights, picture lights, porch lights, column head lights, etc. Package contains: 10 X G4 LED bulb( cold white lights)