Compatibility: The E27 screw lamp holder fits all types of LED bulbs (such as sensor bulbs, filament bulbs), the maximum power is 60W. Not compatible with incandescent and halogen bulbs because high temperature will melt the lamp holder. Easy to Install: Size Ø91*53Mm, simple wiring, easy to install, direct connection to AC 230V. The power cord can be well covered, with a decent gap at the back. The plastic housing is fragile, so be careful not to overtighten the bulb. Suitable for the purpose: The main part of the E27 bulb holder is made of ceramic, high temperature resistant (500), safe and durable. The outer shell is made of flame-retardant material. The E27 screw socket is suitable for temporary lighting in new buildings. Application: The E27 bulb holder is practical for wall/ceiling light fixtures. Ideal for temporary lighting and recessed lighting, such as wall sconce, ceiling light, ceiling fan. Ideal for porch, living room, bedroom, garage, basement, storage room, loft,