Universal 315MHz Remote Control Wireless 4 Keys Copy Cloning Garage Door Remote Control Key Duplicator,White

Features:
*Wireless remote control duplicator,duplicate your existing remote controllers for cars,garage doors,gate doors,electric doors and windows,etc.Duplicate your existing remote controllers so you always have a backup.
*315MHz,transmit distance is 50-100m(Open space),bringing you new experience of remote control and much convenience in your daily life.
*High accuracy of copying and high effective of copying, faster copy data speed,not easy losing code,easy to install and use.
*Ultra-small error of copying data code and copy oscillation resistance.Privacy is strong.
*Handy key chain size attaches to your car keys no more unwanted bulkiness.