[Easy to Use] Plug and play wireless remote control light switch, no programming or tools required, just press the button ON/OFF to remotely control hard-to-reach sockets, and other home appliances; perfect for the elderly, pregnant women, and people with limited mobility or back pain, no need to bend over or get up and walk [Learning Function & Re-programmable] Transmitter and receiver have been pre-programmed for immediate use, signal non-interference, and you can freely add remote sockets (Same Model) to expand your remote control system with the learning function; the codes will be changed each time after re-programming by variable learning codes technology [Key Chain Remote Control &100 FT Control Range] Convenient to store and carry the remote control plug socket with an anti-lost keychain; strong RF signal works through walls and doors up to 100 feet (30m), suitable for open areas such as bedrooms, living rooms, and garages without interfering with other household applianc