• This LED tube/ bulb is environmentally friendly, utilizing patented super flux LED as its light source for high brightness and competitive low cost. • lux luminous efficacy of light source: 90lm/ w. • Power: 1W 3W 5w 7W 9W 10W 15W 18W 20W 22W. • Material: aluminium, PC. • Beam angle: 120 to 160 degrees. • Voltage: 85-265V AC. • Light source: SMD 3528. • Operating temperature: -20 to 40 degree Celsius. • Color temperature: 3, 000 to 7, 000K. • Lifespan: 50, 000 hours. • Socket type: G13, E23. • Appearance: silvery white aluminium + white PC cover