Flexible Installation with Wireless Switch: Install the relay receiver by connecting it between power and lamps; compact receiver fits in standard control boxes; wireless switch mounts easily on a Decora wall plate or anywhere else, offering versatile placement options; Note: Neutral Wire RequiredProgrammable and Expandable: The wireless light switch kit can be expanded with additional transmitters and receivers; control multiple devices with one remote or multiple remotes for a single device; suitable for creating wireless 3-way or 4-way switch configurationsUse Multiple Sets in a Room without Interference: Wireless switches for lights with remote use dynamic codes to prevent interference; install multiple sets in one home for independent operation; pre-programmed for immediate use; supports lamps and bulbs up to 15A/1875WUp to 100ft Range with Strong RF Signal: Remote light switch kit operates through walls and doors up to 100 ft in open areas; does not require direct line of sight; ideal for various locations including lofts, attics, and garages; antenna extension available if signal is obstructedRelocate or Add Wall Switches Anywhere without Wiring: wireless light switch and receiver kit allows easy installation without wiring; no need to tear down walls or access existing wires; provides an economical solution for remote light control with no in-wall wiring or WiFi required