Features 1.Suitable for E27 thread ordinary light bulbs, energy saving bulbs, and LED lamps. 2.Easily transform between 2-hole socket and 3-hole socket. 3.Rotate for 360 degrees at random, no wiring needed, plug and use. 4.Portable, mini in size and light in weight, flexible to carry. 5.Be ideal for walk-in closet, laundry room, garage, living room, bathroom, aisle and stairs. Specification Features: Suitable for E27 thread ordinary light bulbs, energy saving bulbs, and LED lamps. Easily transform between 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 walk-in closet, laundry room, garage, living room, bathroom, aisle and stairs. Specification: Option: EU plug, US plug Color: White Material: PS Rated voltage: 220V/110V 10A Max Power: 40W and less for incandescent light & No limit to energy-saving lamp Dimension: approx. 4.5*4.5*4.5cm / 1.8*1.8*1.8in Weight: approx. 21g Package List: 1 * Light bulb holder socket (not including bulbs or switch panel) Package List