ITEM NAME:E27 Light Bulb Socket Holder Plug-in Adaptor Screw Base Lamp Wall US JR E27 Light Bulb Socket Holder Features: Suitable for E27 thread ordinary light bulbs, energy saving bulbs, and LED lamps. Easily transform between the 2-hole socket and 3-hole socket. Rotate for 360 degrees at random, no wiring needed, plug and use. Portable, mini in size and light in weight, flexible to carry. Be ideal for a walk-in closet, laundry room, garage, living room, bathroom, aisle, and stairs. E27 Light Bulb Socket Holder Specification: Option: EU plug, US plug Color: White Material: PS Voltage: 85V-265V Max Power: 40W and less for incandescent light & No limit to an energy-saving lamp Dimension: 4.5*4.5*4.5cm / 1.8*1.8*1.8in Weight:19g Package List: 1 * Light bulb holder socket (not including bulbs).E27 Light Bulb Socket Holder Features E27 Light Bulb Socket Holder Specification Max Power: 40W and less for incandescent light & No limit to an energy-saving lamp. Easily transform between the 2-hole socket and 3-hole socket.