... .Warm start 4.25000hrs,2.5years warranty t8 to t5 adapter with reflector Specification:14W, 21W, 28W, 35W1 ... ballast 2years warranty for standard quality9, Retrofitting T8 to T5 tube, direct plugged into the existing T8 ... .10, No labour and no modification cost to the existing T8 light fixture.11, PC ... wTube Diameter:16mmTHD:less than 10%SepecificInput Voltage AC/110V or 220-240VPower Consumption 14w,28w, ...