0 percent -100 percent Dimmable10 Pieces, G4 halogen pin base lamp can be used in dimming circuits and lights up immediately without waiting, plug and play. It supports stepless dimming from 0-100 percent . Long LifespanSize: 30x8mm. The Halogen bulb G4 12V 10W delivers up to 140LM of warm white light 2700K to fill your home with warmth and brightness. The average lamp life is up to 2000 hours. No frequent replacement required. Protection EyeG4 halogen bulbs are lead and mercury free. The color rendering index is as high as 80and, which makes the color closer to reality, and the light does not flicker and there is no ghosting. MultipurposeWidely used for accent lights, under cabinet puck light, chandeliers, wall lights, cabinet lights, floor lamps, table or desk lights, track lighting, and lighting for landscape, RV, caravan, boat, yacht, etc.