Annotation: This GU4 3W LED light fixture is non-dimmable , not compatible with dimmer switches, dimmer switches. Please do not use them with dimmers as this may cause the bulb to flicker or make noise. Do not install MR11 GU4 12V-24V LED bulbs directly into 120V household lighting system or 220V, otherwise it may cause a short circuit or damage the bulb. Please make sure the bulb base matches your light fixture. Please check your lamp size and pin spacing before ordering. Lamp Base: GU4 Bi-Pin Base Wattage power: 3W Halogen equivalent: 30W Input voltage: 12V-24V AC/DC Light color: Warm white 3000K Lumens: 300 lm Dimmable: No Beam angle: 120° ø35*35MM. The distance between the two pins is 4 mm. MR11 GU4 3W 12V-24V LED Spot Lamp < li>The GU4 LED is with a protective glass cover. No lead or mercury, no UV or IR radiation. Lifetime is up to 25,000 hours, reducing the hassle and cost of frequent lamp replacement. Easy to install, standard MR11 12V-24V LED bulb with GU4 base, plug and