Check the listing for details. 5Pcs White E12 Mini Bulb Holder Lamp Screw-In Beads Lamp Bases Socket. Color: White, Condition: New. Listed at 16.88 USD. Description:1.Instruction: Simply screw the E12 bulb into the lamp socket and connect to the power supply, which is simple and practical.2.Advantage: 1. The lamp holder is made of phenolic resin and copper, has high-temperature resistance, is flame retardant, has good electrical conductivity, and is safe to use. 2. There are two mounting holes at the bottom of the lamp holder, the lamp holder can be fixed at the required place with screws, and the installation is convenient.3.Interface Gauge: E12; Lamp Holder Dimensions: 34 x 20 x 26 mm / 1.34 x 0.79 x 1.02 inch (L*W*H); Mounting Aperture：4 mm / 0.16 inch; Working Voltage: AC 110-250V; Maximum Operating Current: 2A; Color: White; Material: Phenolic Resin, Copper; Packing List: 5 Pcs x Mini Bulb Holder4.