Detailed Product Description Key duplicator for copying all of fixed code remote TO prevent lost and replace your old remotes! Description ... Copy most of rf fixed code remote ,such as garage door remote ,sliding gate remote ,automatic door remote ,home alarm and so on ... 4SMC918 ,SMC918-3SMC918-4, HT680 etc .2.Self-learning remote control3. Learining face to face in seconds4. Battery includedFor order ...