Brand NO Model 6420 Quantity 1 Piece(s)/pack Color Black Material Aluminium alloy + ABS Compatible Models Car and boat model with working Voltage : 7.2 - 8.4V Application Vehicles & remote control toys Functions With heat sink and cooling fan for heat dissipation; Support 8T motor; With great UBEC function provide 5.6 V 3A current and have switch; UBEC support input voltage: 6~16.8V; Forward current: 600A back current: 300A; Voltage range: 6~16.8V; Equipped with brake function specially suitable for climbing vehicles toy; Connected to the correct battery red cable is positive pole black cable is negative pole; It sounds "du du du" if no signal if it has connected it will make "1 2 3" sound Packing List 1 x Speed controller