US Plug E27 Screw Light Bulb Base Lamp Holder Socket Adapter Shell Color: White, Red; Fit Bulb Base Type: E27; Material: Plastic, Metal Color: White, Red; Size: 4.6 x 4.6 x 7.3cm/ 1.8" x 1.8" x 2.9"(L*W*H); Product Name: Lamp Bulb Adapter Net Weight: 23g; Package Content: 1 x Lamp Bulb Adapter Type: Bulb Base Adapter; Plug Type: US Plug Rating Voltage: AC 110-250V; Power: 5W-25W