This 5W Micro Lynx LED light bulb is a new more efficient version of the original compact fluorescent GX53 puck light bulb by Sylvania.With a warm white light output (2700K), frosted finish and a 110º wide beam angle, this LED GX53 spotlight bulb, often referred to as a puck due to its slim round shape, is perfect for illuminating small spaces such as kitchen cabinets, showcases, display units and wardrobes.Witha 15,000 hour rated life, this LED GX53 light bulb can last 2-5 times longer than an equivalent CFL GX53 light bulb. With a 3 year manufacturer warranty, long life and cheap running costs this LED light bulb is a worthwhile investment.Not suitable for totally enclosed fixtures.