Item Type: Light Socket_x000D_ Material: PC_x000D_ Voltage: 220V_x000D_ Remote Control Battery: Dry Battery 23A 12V (Battery Not Included)_x000D_ Load Power: 50W_x000D_ Frequency: 50HZ_x000D_ Lamp Head Specifications: E27_x000D_ Service Life: 50000H_x000D_ Switch Mode: Remote Control_x000D_ Remote Control Distance: 20m / 65.6ft without obstacles, 15m / 49.2ft with obstacles_x000D_ Weight: Approx. 109g / 3.8oz_x000D_ Product Size: Approx. 10x7cm / 3.9x2.8in_x000D_ _x000D_ How to Use:_x000D_ 1. The lamp head is inserted into E27 ordinary household lamp holder, and bulb that meets the load power range of product is externally connected_x000D_ 2. Load 12V 23A dry battery (not included) into the remote control, then you can control the switch and use it 1Use high?quality PC flame?retardant shell, sturdy, durable and corrosion?resistant. 2It can carry lamp bulb with load less than 50W, such as energy?saving lamps, RGB lamps, fluorescent lamps, etc. 3The internal circuit adopts high?strength double?layer glass fiber board with stable performance. 4Suitable for E27 screw?type bulbs, easy to install and use, suitable for home and indoor use. 5With remote control, remote control distance up to more than 20m in an open outdoor environment, indoor partition wall up to 15m. 1 x Light Socket 1 x Remote Control (Battery Not Included) 1 x Storage Rack 1. Please allow 0?1 inch error due to manual measurement. Thanks for your understanding._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.