Maximum output power 80W, speed 18000rpm. USB interface and: type-C interface output 5V 2A in the on state, and no output in the off state. (Type C port only supports for Android). 6 LEDs: Function 1: Display the current gear of the electric grinder when it is powered on. Function 2: the power button to display the current battery power when it is powered off. Other functions: When the battery power is lower than 15V during use, the electric grinder and USB stop outputting and automatically shut down, and it cannot be powered on when it is lower than 15V. Gear position and speed: 1st gear is about 6000RPM/2nd gear is about 10000RPM/3rd gear is about 12000RPM/4th gear is about 14000RPM/5th gear is about 16000RPM/6th gear is about 18000RPM. Electric grinder function and operation instructions:Power button: power switch (power button). and hold for 2 seconds to turn on the power in the off state, the default is 3 gears, and 3 lights are on; Tap once to display the current battery power (the power display is only realized by pressing the switch in the off state, and there is no such function in the on state). and hold for 2 seconds in the on state to turn off. If the electric grinder is connected after turning on, the electric grinder run in the default 3 gears. "-" button: Electric grinder gear reduction button. Each time the electric grinder is running, it reduce one gear on the current basis until 1 gear. "+" button: Electric grinder gear increase button. Each time the electric grinder is running, it increase one gear on the current basis until 6 gears. Colour:Blue Material:ABS Package Contents: 1 x speed regulator + electric grinder 1 x DC power cord 1 x bracket 1 box x accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.