【Energy Saving】Reduce consumption and increase brightness: 3W LED replaces 30W 35W 40W halogen bulb, MR11 GU4 12V 3W LED spotlight with 18*5730 SMD LEDs, warm white 3000K, GU4 12V 2W LED equivalent to 10-20W halogen bulb, saving up to 90% on electricity bill. 【35mm MR11 LED】: Replaces ordinary GU4.0 halogen bulb. MR11 12V LED GU4 base, small size Ø35*35mm, easy to install. 30,000 hours of life. No lead or mercury. No noise or flickering. 【Wide range of applications】: LED GU4 MR11 12V recessed light is ideal for kitchen cabinet, bathroom cabinet, display cabinet, garage door, entrance, ceiling, patio, dining room, RV, living room, wardrobe, built-in lighting, hotel lighting, residential lighting, etc. 【Use Transformer】Please make sure the transformer is compatible with the LED bulb. Incompatibility will cause the bulb to flicker. If the voltage is 100-240V, a transformer is required. It is not dimmable and is not compatible with dimmers. 【High CRI, healthy atmosphere】: CRI> 85 Ra. We