Features: Comprehensive protective function, undervoltage protect, overvoltage protect, overheat-protect, remote control signal loss protect. High speed: 210,000 RPM for 2-pole motors, 70,000 RPM for 6-pole motors, 35,000 RPM for 12-pole motors. Safe power-on function: When the power is switched on, the motor will not start at any position regardless of the throttle rocker, so as to avoid personal injury. Throttle stroke adjustment function: adapt to the difference of the throttle stroke of different remote controls, improve the linear of the throttle response, with smooth and delicate speed control feel and linear speed control. The single chip adopts independent voltage regulator chip to avoid the interference of the power supply caused by the change of BEC load and improve the working stability of the single chip. Specifications: Material: ABS Output Capacity: Continuous Current-30A, Short-term Current-40A (No Less Than 10 Seconds) Power Input: 5.6V-16.8V (2-3 Li-ion Battery Packs or 5-12 Ni-MH/Ni-CD Battery Packs) Output Type: 30A-/40A- Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Speed Controler