1,High quality and energy saving 2, Input Voltage:AC 85-264V 3,Life span:50, ... : 2700-3300K ,warm white , almost the same with the incandescent bulb.6000-7000K. cool white ,more similar to the flourscent tube ... ,jewelry shop and other places. Application: Replacement for conventional down light lamp in Hotels, Conference / Meeting rooms, Offices, Commercial Complexes, Residential ...