Feature: 1. The electronic speed controller adopts the toggle switch setting method, which is simple, clear and easy to operate. 2. The three operating modes, namely one way, two way and climbing mode, are suitable for all kinds of RC models. 3. Adopts automatic throttle stroke adjustment and automatic throttle neutral adjustment design, this 40A brushed ESC is easy to use. 4. With the function of lithium battery low voltage protection, automatic battery power test, high temperature protection and other protections. 5. With a wide range of application, suitable for 1/16 RC car, for 1/18 RC car and short truck, trolley, truck, climbing car, tank,etc. Specification: Item Type: Electronic Speed Controller Material: Plastic Color: Black Forward: Continuous Current/Peak Current 40A/160A Reverse Direction: Continuous Current/Peak Current 20A/80A Support Voltage Range: 2-3 Lithium Batteries (Lipo) or 5-9 Nickel Metal Hydride (NiMH) Batteries Support: Number of Engines/Ton 2 Lithium Batteries or 6 Nickel Hydrogen: 280, 370 or 380 Size Motor RPM is Lower Than 30000 at 7.2V 3 Lithium Batteries or 9 Nickel Hydrogen: 280, 370 or 380 Size Motor RPM is Lower Than 20000 at 7.2V BEC Output: 2A / 6V (Switching Regulator Mode) Operating Mode: One Way / Two Way / Climbing Applicable Models: For1/16, for 1/18, for Electric House/Denyue/Trolley: Electric House, Denyue, Short Truck, Trolley, Truck, Climbing Car, Tank. Suitable: For WPL, for C24, for C34, for MN, for D90, for MN99S, for MN86s, for G500 RC Car Upgrade Parts. Package List: 1 x Electronic Speed Controller1 x User Manual Note: 1. Due to manual measurement, please allow an deviation of 1‑3mm.2. The monitor calibration is inconsistent, and the color of the item shown in the photo may be slightly different from the actual object.3. After the setting is completed, shut down and restart the ESC.4. This product does not have the ESC reverse connection protection function. If the power supply is reversed, it may instantly cause irreversible damage to the ESC and the battery. Please pay special attention to the polarity of the battery when using it.5. If the motor rotates incorrectly, please change the two motor wires. The motor wires are not divided into positive and negative poles.