Usage Tips:【180 degree adjustable】The 180 degree swivel design of the E27 socket with wireless switch is very flexible. You can adjust the angle and direction of the light to illuminate the position you want.【Wireless E27 lampholder with switch】E27 lampholder with wireless switch, no messy wires, easy to install and use. There is a switch on the socket, when you don't want to use it, you can turn it off without removing the bulb.【Easy to Use】E27 socket with wireless switch is easy to install and use without tools , just screw the E27 threaded bulb into the socket (bulbs not included). Plug and play, durable.【High Quality】 The shell is made of flame retardant PBT material, which also has good flame retardancy. The integrated conductive part of the E27 socket with wireless switch uses high quality copper, efficient energy saving, and is safe and durable. 【Widely Used】 Simple plug and play design, can be used on any outlet or EU standard power strip. One set includes 4 E27 sockets, perfect for bedside lamp, wall sconce, reading lamp, night light, etc. Note: The data are all manual measurement, please allow 1-3cm error , due to the light and display difference, there will be some color difference, depending on the physical object received.