1) High luminous effect and comfortable lighting 2) Excellent color rendering 3) Excellent and symmetrical luminous intensity distribution 4) Low power consumption - up to 80% 5) Instant flicker-free starting and operation 6) Compact size 7) Lightweight Specifications: 1) Wattage: 150, 200W 2) Lamp cap: E26, E27, B22 3) Color temp.: 2,700 / 6,000K 4) Voltage: 100 - 130V / 220 - 240V 5) Lifespan: 5,000 / 8,000 / 10,000hrs 6) Tube diameter: 17mm