YoungRC ESC Programming Card Use for:The program card is used to program the brushless ESC for25A 35A 45A 60A 80A 120A ESC. Max. Brake force: 50%, 25%, 75%, 100% (25A, 35A, 45A, 60A).25%, 50%, 75%, 100% (80A, 120A). Max. Reverse force: 25%, 50%, 75%, 100%. Neutral range: 9%, 6%, 12% work stateHigh Quality: Water-proof and dust-proof for all-weather races. ESC Programming Card Specifications Weight: 32gDimension: 8.1x5.5x1.2cm /3.18x2.16x0.47inLow voltage cut off: 3.1V/Cell 2.8V/Cell3.3V/Cell No cut-offStart mode:Medium, soft, strong Max brake force: 25%, 50%, 75%, 100%Max reverse force: 25%, 50%, 75%, 100%Neutral range: 6%, 9%, 12%, work state Instuctions Connect BEC wires with the receiver.Connect motor wires with ESC.Turn on the transmitter.Connect battery pack with ESC then switch on the ESC.When the connection of motor and battery is finished, the motor emits"Beep-Beep"tone.When the throttle stick is in the neutral position, the motor re-emits "Beep-Beep"tone.The ESC is workable. You can also refer to the video we provide to operate Features Multiple Protections Low voltage cut-off protection; Over-heat protection; Throttle signal loss protection; Motor lock-up protection. Please Note Please uninstall the cooling fan before using this ESC in water; Clean and dry it soon after the use for avoiding the connectors get rusty.If there is any problem when you receive it, please don't heasitate to contact with us. Easy to Operate External programming port, easy to connect to the Program Card when setting the ESC. Package Included 1 x RC Program Card