... Cool White 7000k), R, G, B, YInstallation1. cut off the power supply before installation;2. No starter, NO ballast, or electronic switch ... but 1pcs sample can be accepted2.CE & RoHS certificated, T8 led power supply has passed UL certificate3.Warranty: 3 years4.Payment: L/C ... lamp bead attains 7-8LM.5.Drives:isolation constant-current supply driver with high efficiency and high-low pressure to enhance ...