One Channel Remote Gate Opener,four channels remote gate opener,two channels remote gate opener. GIANT ALARM SYSTEM CO.,LTD.Product ... by customer request.There are 1 channel,2 channels,3 channels or 4 channels output,etcOutput Parameter(Customer can choose these states ... time25daysPayment termT/TPortXiamen This is a very applied remote controller,it can control all mechanical equipments,also it can ...