... output power Wide voltage range,90-260v Energy-saving,Timing Dimmable No MOQ,Work quiet US/HK/China patents ... temperature: -30 ~ +50C / -22~+122FOur Advantages: Low Energy-consumption, Timing Dimmer ballast High Power Factor, Low THD; Energy-saving up ... protection, low voltage protectionConstant performance, prolong the lamp life-span Light weight, small size, easy establish, absolute quiet, 3 years ...