Durable material: The lamp holder is made of PBT and metal, high strength, flame retardant and good heat resistance. Flexible: The lamp holder can be bent in multiple directions and the position of the lamp holder remains unchanged, the adapter can rotate 360 degrees, bend 180 degrees. Easy to Use: Used for the E27 lamp holder to rotate the light source of the E27 lamp holder, no longer worry about large ones Bulbs that cannot be screwed onto the downlight. Specifications: Material: PBT Color: White Size: Total length 18cm or 23cm The package includes: 4 lamp holder Note: While installing the lamp holder, please turn off the power power off and operate according to the correct connection method to avoid leakage, electric shock, etc. 1.Using PBT and metal material design, high temperature resistant and long service life alive. 2.360 degree rotation means you can see every angle within 180 degrees, which can make the area brighter. 3.No need to replace the original lamp holder, just plug it in directly, the lamp holder is lengthened, convenient, quick and cost-saving. 4.Power range: 0-60W, suitable for 0-250V, please place it in a spacious place for heat dissipation. 5.WIDE USAGE: The lamp holder is versatile and can be used in places like home or office.