Spec Model KPT-LSGU10SMD20LA4-C3Power 5WInput Voltage AC85-265V LED Source SMD 5050 Frequency Range 50-60Hz Power Factor >90% Size Dia50*54mm Voltage AC85-265V LED quantity20 pcs 5050 leds LED Lighting Efficiency 80-100lm/w Working Environment Working temperature:-40°C +55°C Working humidity:10%-90% Colour Warm white 2700-2900K 3200-3500K Cool white 6500-7000K Working Life >50,000 hours Body &Shade Material Aluminum die-casting Lampbase GU10 MR11 MR16 E27 Dimmable or not Yes Certificates CE & ROHS Feature: 1.High LM with good performance .Dimmable and nondimmable both ok . 2.Aluminum body with excellent thermal managing design Direct replacement of halogen lamp50W 3.NO RF interference 4.easy installation 5. solid-state, high shock and vibration resistant 6:With different kinds of lamp base , colors , watts for choosing. 7:With great dimmable performance, no flicker or buzz from 1%-100%. 8:With good compatibility , can be connected with many models of dimmer 9:With CE/ROHS quality assurance and great discount priceApplication:1. Building decoration 2. Car decoration 3. Amusement park andtheaterlighting 4. Emergency hallway lighting 5. Shopping mall, restaurant, hotel, meeting room and advertisement lighting and decoration Directly replace the traditional led light .