Check the listing for details. 5 Set Screw-In E12 Mini Bulb Holder Light Beads Lamp Bases Socket Circuit White. Color: White, Condition: New. Listed at 13.97 USD. The lamp holder is suitable for screw-in bulbs such as E12 night lights, chandeliers, etc. It is suitable for indoor and outdoor places such as physical circuit electrical laboratories, courtyards, camping, farms, vegetable , etc.SpecificationColor: WhiteMaterial: Phenolic Resin, CopperInterface Gauge: E12Lamp 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 inchWorking Voltage: AC 110-250VMaximum Operating Current: 2APacking List: 5 Pcs x Mini Bulb HolderAdvantage1. 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.