... plastic parts should be hand-held LED energy saving lamps, in order to maintain life safety. [Advantages] LED bulbs[1] ... middle of a strong light.2, wide voltage range: nominal 220V lamps in 150V or even lower voltage, incandescent lamp into ... , or normal white light. [2] the wide range of uses:Homes, hotels, supermarkets, counters, range hood, hospitals, schools, hotels, restaurants, coffee shops, ...