1. Wireless remote control lamp holder for E27 bulb 2.Up to 20 meters remote control distance in open terrain 3.Easy and convenient installation for home use 4.Change your bulb with this lamp holder, you can remotely control your lighting system.ON/OFF two buttons on the remote control to control the lamp ON/OFF independently 5.Imported IC coding, there are millions of different codes, and neighbors will not cause similar products using cross-hold phenomena Specification: Description: Wireless remote control lamp holder for E27 bulb.Change your light bulb with this lamp holder, could remotely control your lighting system.ON/OFF two buttons on the remote control to control the lamp ON/OFF.Suitable for family, office, factory, etc. Features: Wireless remote control lamp holder for E27 bulb. Up to 20 meters remote control distance in open area. Adopt surface acoustic wave (SAW) frequency stabilization technology, the frequency is ultra-stable and reliable. Imported IC coding, there are millions of different codes, and neighbors will not causeof similar products using cross-holding phenomena. Easy and convenient installation for home use. Features: Condition: New Standby current: 220V 50uA (<0.015W) br>Operating voltage: AC180~250V (50/60Hz) Operating frequency: 315 MHz Control distance:>10 (inner partition wall) Shell material: plastic Size: approx.11 x 7 x 3 cm / 4.33 x 2.76 x 1.18 inch (Height x Maximum Diameter x Minimum Diameter) Color: As picture shown Weight: Approx.83g Battery: 12V, 23A (not included) Package includes: 1 x lamp holder 1 x remote control (battery not included) 1 holder Note: 1.Please allow 1-2mm error due to manual measurement.Thank you 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. 3.Please note that the new type and old type of this product will be sent randomly, and make sure you do not mind before ordering.