Description: 100% brand new and high quality E27 Remote Lamp Holder + Wireless Remote Controller Don ’t need to pick up to turn on /off lamp, especially for sleeping at night E27 standard screw port, easy to install RF wireless, no direction 10m remote distance, no obstacle Learning code, no interference Voltage: AC180V~250V, 50/60Hz Remote control Power: 23A 12V Operating frequency: 315 MHZ Connector: E27 Remote power by 2* AAA battery, not included Lamp Holder: Approx.10x7cm(HxW)/ 3.93 x 2.75" Size of Remote Control: Approx. 8.5x8.5x11.5cm/ 3.35 x 3.35 x 4.52" Materials: ABS Package Includes: 1 x Bulb Socket 1 x remote controller