1. The type of battery: Lithium battery / NI- battery 2. Battery low voltage protection mode: limit the throttle to only 40% when the voltage reaches low voltage protection. 3. Advance : divided into low, medium and high. In general, the low advance can accommodate more motors. However, as the motor structure is quite different, please try each advance to a satisfactory driving effect. 4.In order to the speed, the advance can be set as the high advance . After changing the approach , it is recommended to test on the ground . 1. ensuring that the ESC is of the highest and high reliability. 2. It can withstand a higher current. 3. It can set the throttle stroke, compatible with a of remote control .With and delicate feel of speed control,first- linear speed regulation. 4. The maximum speed can be reached 210,000 RPM (2- motor), 70,000 RPM (6- motor) and 35,000 RPM (12- motor). Note: This manual is not suitable for E-power 5A (1S/2S) Type: 10A Material:Composite material colour:black Package Contents: 1 x ESC Motor Speed Controller Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.