1. Power button: Hold the power button for 3 seconds to turn on / off the  machine, click the power button to pause / start, double-click the power  button to switch operating mode: voltage / speed.

Screen:  1.14 inch colorful screen

2. voltage mode: 5 ~ 13V (45 ~ 177CPS) adjustable, click + / - key to 0.1V  increment / decrement, long press + / - key to 0.3V fast increment /  decrement. 

3. speed regulation mode: 10% ~ 100% PWM value adjustable, The force is constant  to adjust the speed fast and slow, the fixed voltage 12V (set voltage 12V,  adjust speed without changing voltage, always maintain the strong power of  12V, even at low speed), click the + / - key to increase / decrease by 1%,  press the + - - key longer to increase and decrease rapidly.   

4. Stop unoperation for 15 minutes and shut down automatically. Note: The timer is  not cleared. The time of the last automatic shutdown is displayed before the  next run. The run time is zeroed and re-timerd when you start again.          

5, seamless adjustment of the needle length, adjust the needle does not move  direction, always maintain the same direction with the display screen.   

SPECIFICSTION:

MACHINE WEIGHT : 203gm

MACHINE DIAMETER:   135*30mm  

MACHINE BODY:  Aircraft-Grade Aluminum Body   

MOTOR TYPE: brushless     

MOTOR RPM:  0-10000rpm  

STROKE LENGTH : 3.5mm

OPERATING VOLTAGE MODE : 5 ~ 13V (45 ~ 177CPS) adjustable   

BATTERY: 1000mah 

FULL CHARGING TIME : around 2hours  

BATTERY BACKUP:  upto 7hours    

WARRANTY : 6 month machine warranty