Specification: Product: LED Bulb Power: 30w 50w 80w 100w 150w Input Voltage: AC170-260V (Only can working in 220v/230v/240v power grid. But can\'t working in 120v/110v power grid. Please note!) Base Type: E27 / E40 LED Type: SMD 3535 Warranty: 2 Years Life Span: 50000 hours Materials: Aluminum + PC Ra: >80 Luminous Efficiency : 110 lm/w Beam Angle : 180 degrees Color temperature: Cold White (6000-6500K) Application: Living room / Bedroom / Hotels / Residential / etc. Advantage: No radiation, high brightness, offer pollution-free, high quality light source for you. Guard against death lamp technology : one LED chip death , does not affect the other LED chips . Size: 30w Φ100mm*H200mm (without fan) 50w Φ120mm*H230mm(without fan) 80w Φ155mm*H250mm (without fan) 100w Φ160mm*H250mm (air-cooled, cooling with fan) 150w Φ160mm*H250mm (air-cooled, cooling with fan)