Description:Dortech ECONO 4 button remote transmitter has a slider to protect the user from accidentally pressing a remote button. In addition it has a extendable arial to increase function range. The ECONO remote transmits a fixed code in the event that the code needs to be changes one would change the internal dip switches on receiver and remotes. This remote is typically used on ECONO industrial products although it is possible to use a ECONO remote on other products. This can be done by using an ECONO external receiver, in other words one can purchase a matching ECONO receiver and connect it to multiple devices such as alarm systems, other brands of gate, garage door motors. Specification of Dortech ECONO 4 button remote transmitter:Frequency: 433mHz Battery: GP23 12v Dimensions: 70 x 38 x 14mm Coding: Rolling code Program difficulty: Easy, uses dip switches to change the code
