Wireless Remote Control Lamp Base     Welfare of Lazy Man - Wireless Remote Control Lamp Base Do you want to turn off the light in the bed? If your answer is yes, then this RC Lamp Base for E27 Bulb is what you most need. 15m control distance, and the controller can match multiple lamp base according to your need. With E27 lamp base, compatible with most bulbs and easy to install or replace. It is perfect for lazy man, disabled people, the aged kids etc. Technology creates happy life! Compact Size Wireless Remote Control Lamp Base Specifications: Base type: E27 Operating distance: 15m in an open area Operating voltage: 220V 50Hz Transmitting frequency: 315MHz Controller battery type: 23A 12V alkaline battery ( not included ) Load power: Less than 300W or 100W ( energy-saving lamp ) Size of the controller: 9.5 x 3.8 x 1.5cm ( L x W x H )     Package weight: 0.139 kg Product Size ( L x W x H ): 7 x 7 x 10.5 cm / 2.75 x 2.75 x 4.13 inches Package Size ( L x W x H ): 18.5 x 14.5 x 8 cm / 7.27 x 5.70 x 3.14 inches Package Contents: 1 x KK-111 Remote Control Lamp Holder Base, 1 x Controller, 1 x Controller Holder