SONOFF 433MHz 4 Button EV1527 Code Key Remote Control Switch

Features:
*The gadget is a wireless remote control key fob(transmitter), which comes with ultra-strong functions.
*433MHz, learning Code(1527), transmit distance is 30-50m(Open space), bringing you new experience of remote control and much convenience in your daily life.
*It supports remotely and wireless control your garage door, electronic gates, electrical appliances and other telecommand equipment.
*Suitable for 433MHZ RF switches, and compatible with any SONOFF series RF 433MHz switches. You will never worry about that you will not open your garage door.
*Light weight and compact size design, the code key is very easy and convenient for you to carry with when you go out.