... ) With intelligent warm start, which gives 2 times longer lifetime for adaptor7) Voltage optional: 110v ,120v, 220v ,230v , 240v , ... of optimal energy-use and safety.11) Reflector optional : high parabolic reflector, lower parabolic reflector and without reflector 12) ... to T8. 15) Improved light quality, no stroboscopic flickering, which usually causes headache and irritated eyes. Chart 1 T5 adapter ...