[{"attrName":"Brand Name","attrValue":"Scimagic-RC"},{"attrName":"Origin","attrValue":"Mainland China"},{"attrName":"Certification","attrValue":"CE"},{"attrName":"Model Number","attrValue":"DOORHAN"},{"attrName":"Name","attrValue":"DOORHAN TRANSMITTER - 2 PRO"},{"attrName":"Frequency","attrValue":"433MHz 433.92MHz"},{"attrName":"Code","attrValue":"Rolling code"},{"attrName":"Button","attrValue":"2"}]DOORHAN TRANSMITTER 2 PRO Black for gates and barriersDescription:1. Type of programming: Programming with the receiver2. Number of channels: 23. Code: rolling code4. Frequency: 433MHzCompatible ModelSuitable for all DOORHAN models !For example:DOORHAN TRANSMITTER 2DOORHAN TRANSMITTER 4DOORHAN TRANSMITTER -2 PRODOORHAN TRANSMITTER -4 PRODOORHAN Premium RC black 4Include1x Remote Control(Battery included)1x English ManualProgrammingProgram to Gate / Garage Door Openers the same way as original DOORHAN Transmitter 4 remotes, please refer to your receiver's user manual. For a typical DOORHAN Garage Control Panel, the programming procedure is as follows:1. Press and release the button R on the receiver.2. The left side of display panel will show 0 then disappears immediately.3. Press any button twice, coding is completed.4. Press the transmitter button to test operation.Note: To remove a single transmitter's code or all transmitter codes from the receiver memory please refer to your receiver manual.