433MHz 4 Button RF Remote Control Switch with Antenna

Description

 This device is a wireless remote control key fob (transmitter) that has an extremely powerful function and will bring you a lot of convenience in your daily life.
It allows you to control your garage door, electronic gates, electrical appliances, and other telecommand devices remotely and wirelessly. Lightweight and compact size design, the code key is very easy and convenient for you to carry with you when you go out.
The code key can bring you a brand new experience of remote control, and you can not miss it. It will give you great convenience and you will never worry about that you will not open your garage door.

Specification