Check the listing for details. DEWENWILS Remote Control Light Socket Wireless Light Switch for Light Fixtures. Color: White, Condition: New. Listed at 21.99 USD. DEWENWILS Remote Control Light Socket, 2 Wall Mounted Controllers and 1 Bulb Base, Wireless Light Switch for Light Fixtures, No Wiring Needed, Expandable, ETL Listed, White Specifications:Input Voltage: 120VAC 60HZMax.load Power: LED/CFL 20W; Incandescent Bulb 60WTransmission Frequency: 433.92MHzRemote Control Distance: 80 Feet (Free Area)Transmitter Battery: 12V (23A) Alkaline Battery (Included)Socket Type: Standard Medium E26/E27Packing List:2 x Wall Switch Remote Controller; 1 x Lamp Socket; 1x Battery (Installed) Wall Mounted Switch Remote Control Light SocketSimplify your life by remotely controlling lighting fixtures with a wall mountable remote controller. Each light bulb socket has a manual switch and can also be turned on/off manually.No wiring required;No pre-programming required;Easy to install and convenient for home/office useThe socket adds approximately 2.28” in height or length.Please measure the size carefully before you buy if you want to use it under lampshade or in tight space.80ft Remote Control RangeStrong radio frequency transmission can work through walls and doors to control lamp as far as 80’ in the open area. The wireless range may be shortened by other electronic devices, appliances, walls, or other physical barriers, so in actual use, the distance may be slightly less than 80 feet.Do not need to be in the line of sight for remote to work by individual ON/OFF button.Note:Use in dry environment;For indoor use or under shelter if use outside;Not for use in totally-enclosed luminaires.Make Your Life Easier and ComfortableThe detachable wall switch can be mounted anywhere and can be taken off and used as a portable handheld remote. Perfect for the elderly, pregnant woman and those with limited mobility or back pain; make your life convenient, safer, and energy efficient.Get Rid of Troublesome and Unstable WIFI Control Switches / Light BulbsNo complicated setting up needed and do not need to worry about the strength of WIFI signal.