Joinwin&reg; New High Quality 4Pcs E27 Wireless Remote Control Light Lamp Bulb Holder Cap Socket Switch 100% Brand new and high quality Lamp base: E27 Wireless remote control lamp for E27 bulb Remote Control Size: Approx. 9.5 x 3.8 x 1.3cm (L*W*H) Power: 23A 12V battery (Not included)