... control for car alarm security system, customized frequency, function up to customer. Product Appearance :Item : wirelss remote controlBattery Model ... : SGSAcceptable Performance :1, Remote DuplicatorSelf-learning remote control ,copying RF fixed code remote by a easy way ... gate opener,car cental system and so on .Encoder model : HCS301,HCS201,HCS200,HCS500,HCS300,HT6P20B,HT6P20A,HT6P20D ...