High Efficient & Energy Saving: Equivalent to 65W fluorescent lamp by only using 24W, saving 63% on your electricity bill. Emits 3000 lumen of brightness per bulb, much brighter than the fluorescent tube and 18w bulb. 6000K Super Bright Bulbs: Help reduce eye strain and increase visibility in office, classroom, hospital, warehouse, garage, hotel, shop and salon etc. Ballast Bypass: Must remove the ballast before installation, which eliminates future potential failure issues and ballast maintenance, saving time and money. Compatible with T8/T12 bulbs with G13 base. Double End Powered: The lamp holders on one end of the tube must be connected to neutral wire, while the other must be connected to live wire.These bulbs are compatible with both shunted and non-shunted lamp holders.