Wireless Light Dimmer Switch and Receiver Kit, No in-Wall Wiring Required,Remote Control Wall Switch Lighting Fixture for Ceiling Lights, Fans, Lamps,100 Ft RF Range, NOT Programmable Not interfere Individually Control Battery Included 【 Add Wall Light Dimmer Switches without Rewiring 】 Simple installation; wired between the power and lighting fixtures; no in-wall wiring needed; expand your lighting system freely and won't affect the existing system 【 Detachable Wall Switch and Compact Receiver Kit 】 Mounting bracket provided; white RF remote control wall mountable switch mounts anywhere; compact receiver switch kit fits limited space like rose/canopy, electrical junction box, switch box 【 100 Feet RF Wireless Remote Range 】 Strong RF signal works through walls and doors without any interference; does not require line of sight while using; up to 100ft range in open areas; certified to FCC 【 Note】 Transmitter wall switch and receiver have been pre-programmed ! NOT Available to add more wall switches, receiver kits,