Sabertooth Dual 12A Motor Driver Up to 18V in: 12A continuous, 15A peak per channel. 24V in: 12A continuous, 25A peak per channel. Synchronous regenerative drive Ultra-sonic switching frequency Thermal and overcurrent protection Lithium protection mode Input modes: Analog, R/C, simplified serial, packetized serial Size: 2.3 x 3 x .7 59 x 75 x 17 mm Sabertooth dual 12A motor driver x1