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 Socket 1 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 PC Flame‑Retardant Shell：Use high‑quality PC flame‑retardant shell, sturdy, durable and corrosion‑resistant. The internal circuit adopts high‑strength double‑layer glass fiber board with stable performance. with Remote Control：E27 socket can carry lamp bulb with load less than 50W, such as energy‑saving lamps, RGB lamps, fluorescent lamps, etc. With remote control, remote control distance up to more than 20m in an open outdoor environment, indoor partition wall up to 15m. Labor-Saving And Convenient：When you're lying in bed ready to go to sleep, but the lights aren't turned off, you can use the remote to turn off the lights while lying in bed. Really convenient and practical E27 Socket Adapter! Easy Installation：Suitable for E27 screw‑type bulbs, easy to install and use, Easy installtion and no need tools to install,screwing into existing socket, suitable for home and indoor use. How to Use: The lamp head is inserted into E27 ordinary household lamp holder, and bulb that meets the load power range of product is externally connected; Load 12V 23A dry battery (not included) into the remote control, then you can control the switch and use it