GU10, 4 watts with 27 pcs 5050 SMD LED (max 0.2 watt each LED), As 50 watts Halogen bulb replacements,  90% more efficient than xenon bulbs, incandescent bulbs and Halogen bulbs traditional lighting, Lifespan of up to 50,000 hours means that equates to 18 years lifetime if turn on lamp 8 hours a day. These bulbs are perfect for the inside case lighting for jewelry,  no heat and good lighting.
Mains voltage Operation AC220V, AC230V.
Consume wattage: 4 Watts
Beam degree: 120 °
LEDs: 27 pcs High Bright 5050 SMD  LED (Max 0.2 Watt each LED)
Colors: Cool white 6500k
CRI Ra=65
Lumen: 420 Lm
Dimension:  Φ50mm × H55mm
Net weight: 50g