Input voltage: AC 100-265V 50/60HZ
Wattage: 9W/18W/24W
Luminous efficiency:90lm/W-110lm/W
Material: glass
Specification: T8 G13 2ft/4ft/5ft
Working life: 50000 hours
Applications: Office, library, school, hospital, shopping mall, supermarket, hotel, residential area etc.