Usage Tips:This lamp holder is compact and simple in appearance, practical and easy to use in design Easy to use: allows you to continue using traditional light bulbs or CFLs. Use this plastic lamp holder instead of the small chandelier bulb Wide range of applications: This lamp holder with ring is suitable for E27 screw bulbs. Used as temporary lighting. It is very suitable for night light, wall lamp, ceiling lamp. Lighting living rooms, garages, workbenches, bedrooms, hallways, driveways, patios, balconies, stairways and workshops. Strong Compatibility: Suitable for various fixtures, signs and screens. Suitable for bulbs or lamps with sconce sockets that need to be converted to a standard medium base Design: round fuselage bottom, screw terminal design. Suitable for all kinds of lights, signs and displays