Usage Tips:Material: E27 lampholder is made of environmentally friendly and flame retardant PBT material, which can withstand high temperature of 180 degrees Celsius, Low consumption, safe and durable. Specification: You will receive 4 E27 sockets, E27 socket without cable, AC 220V. Withstands high temperatures of 180C. Site E27 socket: Bulb socket is very flexible and can be rotated 180 degrees, you can adjust the lighting direction according to your needs. You can use it in places where there is insufficient light. Easy to Use: E27 sockets are easy to install without tools. A simple on/off button makes it easy to turn the light on and off. Simply screw the E27 threaded bulb into the socket. Energy Saving and Durability: E27 bulb socket is ideal for mood lamp, children's night light, bedside lamp, bedside lamp, etc. wall light, bedside lamp and indirect lighting in the kitchen and garage.