Specification: Item Type: Light Socket Material: PC Voltage: 220V Remote Control Battery: Dry Battery 23A 12V (Battery Not Included) Load Power: 50W Frequency: 50HZ Lamp Head Specifications: E27 Service Life: 50000H Switch Mode: Remote Control Remote Control Distance: 20m / 65.6ft without obstacles, 15m / 49.2ft with obstacles Weight: Approx. 109g / 3.8oz Product Size: Approx. 10x7cm / 3.9x2.8in How to Use: 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 2. Load 12V 23A dry battery (not included) into the remote control, then you can control the switch and use it Package List:1 x Light Socket1 x Remote Control (Battery Not Included)1 x Storage Rack Note:1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding. 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. Features Use high‑quality PC flame‑retardant shell, sturdy, durable and corrosion‑resistant. It can carry lamp bulb with load less than 50W, such as energy‑saving lamps, RGB lamps, fluorescent lamps, etc. The internal circuit adopts high‑strength double‑layer glass fiber board with stable performance. Suitable for E27 screw‑type bulbs, easy to install and use, suitable for home and indoor use. With remote control, remote control distance up to more than 20m in an open outdoor environment, indoor partition wall up to 15m.