4 channel universal radio transmitter, 433MHz, metal case with 2 CR2025 batteries. The manufacturer code can be set with DIP switches: BFT Mitto, NICE Smilo, BENINCA all, DEA, KING, GENIE, ERREKA, GIBIDI, FAAC XT, MUTAN CODE, DOORHAN, APRIMATIC TR, PROTECO, DITEC GOL, MOTOR LINE, KINGATE, CAME TOP, KEY Txb, ROGER TX12 / TX14, TELCOMA TANGO, MARANTEC, RAYNOR, LIFTMASTER, CHAMBERLAIN ML700 / LOBAS, STB ...