Lamp Post Bases descriptions： We use high-quality raw materials, all materials are very suitable for the product, please rest assured to buy. Wireless Remote Control Lamp Holder For E27 Bulb. Specification: Lamp Base: E27 Operating Frequency:315 MHZ Standby Current: 220V 50uA (<0.015W) Operating Voltage:AC 85-265V (50/60Hz) Remote Control Distance: 5- 15M Remote Control Power: 2x AAA Dry Battery(not Included) Features: The Use of ABS Synthetic Plastics, Safe and Beautiful and Durable. The Built-in Conductive Part Uses Copper, Efficient Power Saving. Wireless Remote Control Lamp for E27 Bulb. Easy Installation and Convenient for Home Use. You Can Control Your Lighting System at Any Time. Suitable for Family, Office, Factory Etc. Package Includes: 1x Remote Control Lamp Holder 1x Remote Control . Products number : SOMONO105350