... R&D department OEM accepted LED Energy-saving Lamp BulbLogical optical design and unique lamp-shade material effectively improve luminosity ... directly connected to 220V circuit.Replace the regular 3W energy-saving lamp or 15W incandescent lampCustomized 110V product is available. ... such as red, green, blue, yellow, and etc.Application:Lighting for corridor, house, conference room, hotel, factory, and ...