... used for roll code A*udi A6L Copy Remote Control (A,B,C)It should be used with our Remote/Frequency copy machine.http ... ://www.jiutech.net/product_214.htmlA style remote control : ... PT2282,PT2292 C style remote control : Can be used for roll code, such as: HCS300,HCS301,HCS302 A*udi A6L Copy Remote Control (A,B,C)