Features: * AC/DC12V G4 LED lights are compatible with AC 12V and DC 12V. The non-dimmable transformer matched with the power of the LED light will not flicker when used in conjunction with it. AC110V / AC220V G9 LED light-There are two models to choose from, compatible with AC 110V or AC220-240V, with dimmable function. * Reduce performance requirements-replacing 20W G4 halogen lamps with 2W/3W G4/G9 LED lamps can save up to 93% of energy costs. * Whether it is dimmable-these G4 lights are not dimmable. Please do not use them with dimmers. The G9 lamp is dimmable and can be used with a dimmer. *Application-Standard G4/G9 dual-pin base, very suitable for landscape lights, lawn lights, hockey lights, cabinet lights, ceiling lights, column head lights, recessed lights, etc. *Size: G4: 12mm * 38.5mm (with pin), G9: 16mm * 48.5mm (with pin). Please check if they are suitable for your device. Specifications: Base: G4 LED light lens Color: transparent Dimmable: G4: Non-dimmable Color temperature: 6000-6500K (Cold white) Luminance: SMD2835 LED chip 180-210 lm (Equivalent to 20W halogen lamp) Input voltage: AC/DC 12V Material: Plastic beam Angle: 360 degrees Color rendering index> 80Ra Scope of application: Very suitable for chandeliers, ceiling lights, landscape lights, Counter lights, cabinet lights, hockey lights, RVs, Trailer, ship deck lights, picture lights, porch lights, Stigma lights and so on. Package contains: 10X G4 LED bulb