Features:3.Applicable brands: Replacement for HSP4.ESC brushless electric speed controller, automatically finds the center position.5.320A brushed ESC speed controller, high frequency drive system.6.Using low internal resistance field effect tube, the response is fast.7.Suitable for car and boat models.Note: This electric motor is called 3S (12V), and it can only be equipped with a motor not larger than 380. With 2S (8.4V), you can only use motors no larger than 540.Operation guide:1. Correctly connect to the power supply. The red wire at both ends of the wiring board is the positive pole, and the black wire is the negative pole. (or connect standard DC plug Daejeon male plug/T plug/banana plug)2. The red and black wires output by the ESC are respectively connected to the red and black wires of the 540 motor of the car.3. Turn on the power switch of the ESC and the motor will make a inchbeepinch sound. Then turn on the power of the transmitter and the motor will make a inchdoo~la~miinch sound, proving that the remote control signal has been successfully connected to the ESC.Specifications:Power support: NiMH, NiCd 4~6 groups (4.8V~7.2V), lithium 3 groups (6V-12V)Current parameters: forward 320A, backward 160A, brake 270A.BEC output: voltage 5.6V, current 2A (supply power for receiver and steering gear)Material: Plastic & PlasticColor: Black & RedBrand name: BQLZRSize:Length: 43mm/1.69inchWidth: 29mm/1.14inchHeight: 27mm/1.06inchWeight: 50 gPackage include:1 x RC Car Electronic Speed Controller1 x Manual