Specification:1. Power: 10W2. Diameter: 56mm3. Lumen: 900-1000LM4. LED Chip Brand: Taiwan Epistar, perfect quality chip, longer lifestyles to use5. Quantity of LEDs: 20pcs LEDs6. Color: White: 6000-7000K, Warm white: 3000-3500K7. High brightness, calories savingHow to use:paste in the warmth sink or the lamp base, hook up with AC180V-AC260VFeature:1 IC LED driver, can connect AC220V directly, need not soldering assorted LED transformer driver2 IC technology, no electrolytic capacitors and transformers energy component > 0, low total harmonic distortion <20%4 calories conversion efficiency > 90%5 to digital dimmerSuitabe For:LED bulb, candle lamp, down lamp, ceiling lamp, and so on include: 10 goods 10w included driving force plateClick to buy diversified watt pcb.