DuraTronic remotes are self learning with secure rolling code technology.
What this means is that each time you trigger your remote a new and randomly selected code is transmitted thus making it impossible for undesirables to duplicate the code on your remote and thus been able to operate your gate. Transmission range is up to 100m dependent on the area in which they are used

Transmission range up to 100m

Uses self rolling technology making it impossible for undesirable to duplicate the code on your remote