LED Concepts Remote Control Wireless Light Bulb Socket Cap Switch for Lamps Bulbs and Fixtures (Set of 3 Sockets) Wireless remote control bulb socket for E27 bulb Easy installation and convenient for home or office use Change your bulb with this lamp holder, could remote control your lighting system Up to 30 meter (approx. 30 yards) remote control distance Could control 3 lights with 1 remote