4/6/10 PACK LED MR11 Light Bulbs 3W/5W AC/DC12V-24V 30W-50W Halogen Replacement GU4 Bi-Pin Base Warm White Natural white Cool White Features: SAVING MONEY: Lower Consumption and Higher Brightne, 3W/5W LED replaces 30W-50W Halogen Spotlight Bulb, save up to 90% on electricity bill. WIDE VOLTAGE: AD/DC 12V-24V working voltage,easy to install and widely application. EASY TO INSTALL: Standard GU4.0 Base, Plug & Play, Warm White, Natural white and Cool White, the light diffuses to a larger area and brighter, to create a cozy and luminous environment. LONG LIFETIME: With a lifetime of up to 30000 hours, you can reduce the hale of frequently replacing your light bulbs. lower heat, safer than Incandescent bulbs. WIDE RANGE OF USE: For Landscape Lighting, range hood, Display Cases, Receed Lighting, Hospitality Lighting, Residential Lighting, etc. If your working voltages is 100-240V,a transformer for 12V is needed. We recommend to use led transformer or keep 1 or 2 halogen lamps to meet the Minimum power of tranditional transformer. Specifications: Base: MR11/GU4, Power: 3W/5W Color temperature: Warm White:3000K, Natural White:4000-4500K,Cool White:6000K Dimensions: Dia 1.38 inch x L1.38 inch / Dia35 mm x L35 mm Input voltage: AC/DC10-30V Lumens: 3W:300LM, 5W:500LM LED Quantity: 3W:12pcs, 5W:18pc CRI (Ra):> 80 Beam angle: 120 degree Package Included: 1 or 4 or 6 or 10PACK MR11 LED Bulb you choose