1pc 315MHZ Cloning Clone Copy Code RF Remote Control Duplicator Transmitter Frequency: 315MHZ Size: 50x 30 x 8mm Operating voltage: DC12V (27A/12V battery);Operating Current: 12mA@12V;Transmitting power: 10mw@12V Modulation mode: ASK (AM) Encoding type: Learning. Transfers distance: 80m (100-200m to the max for open spaces)