... for optional for the dimmer. Dimmable LED bulbs Install or replace the energy-saving lamps, turn off the power. Do not ... parts should be hand-held LED energy saving lamps, in order to maintain life safety. [Advantages] LED bulbs[1] the elaborate(A ... or normal white light. [2] the wide range of uses:Homes, hotels, supermarkets, counters, range hood, hospitals, schools, hotels, restaurants, coffee shops, ...