Remote control duplicator for copying fixed code ,such as garage door opener ,sliding gate and so on . Description :Coding Mode : ... :1. Copy most of rf fixed code remote ,such as garage door remote ,slidinggate remote ,automatic door remote ,home alarm and so on .Available fixed ... 4SMC918 ,SMC918-3SMC918-4, HT680 etc .2.Self-learning remote control3. Learining face to face in seconds4. Battery included ...