Easy InstallationStandard MR16 shape (Dia1.97*1.85 inch) with GU5.3 bulb base. Can be easily to replace traditional MR16 halogen bulbs and fit well into your fixture . Perfect for Landscape, Recessed, Track LightingReduce CostMR16 5W LED bulb with a lifespan over 30,000 hrs, can last very long time, save effort and maintenance costs on changing bulbs frequently. You could replace the MR16 20W 35W 40W traditional halogen bulb by only 5W LED Healthy& Eco LightingMore natural LED light bulbs with high CRI(>85). 500 Lumens. Not dimmable. Eco-Friendly. No lead or mercury. No UV or IR Radiation. It could create the wonderful calm & cozy atmosphere for garden,yard,patio,lawn,pathway,uplights,highlightingApplicationSuitable for kitchen track lights,recessed lights,ceiling lights,downlights,overhead lighting for home living room, bedroom, bathroom, hallways,counters,cabinet, art galleries, General Lighting, hotels, museums, s, restaurants, retail,low voltage outside outdoor landscaping flood light,uplights, yard/Patio/Lawn/path tree s lightsQuality GuaranteeMade of high quality material and circuit, 2 years serves, our seller support team always stand behind our products in any way, so please contact us for replacement if you have any quality problems.Notice If the working voltage is 100-240V, a transformer for 12V is needed, because the gu5.3 spotlights bulbs are low voltage