Aprés E-file - White Aprés E-file - WHITE (includes e-file, case, handpiece and cord, handpiece holder, AC adapter charger and instruction/warranty manual) Nail preparation, removal, care, and precise filing in ultimate comfort and with serious control. E-file has a long-lasting rechargeable battery and is made with a balanced handpiece with a lightweight design that reduces fatigue during long days at the salon – or wherever! Equipped for a smarter workflow and lower vibration feedback, E-file is made to work as hard as you do without taking a toll on your body. Directions: The LED screen will show the battery level, speed (KRPM), F/R status and faulty alarm (if any). After connecting the handpiece to the e-file machine, turn on the rotary knob. A “click” sound will indicate the e-file machine has turned ON, with the LED screen lit up. The speed is adjustable by turning the rotary knob left or right (Speed range: 0-35000rpm). To pause the speed, press the rotary knob one time. The LED screen will indicate a “P” for pause. Press the rotary knob again to resume speed. The direction of the drill bit can be changed by pressing the Forward/Reverse hexagon button on top. Do not twist the spindle on the handpiece to the left during operation, the machine will stop working, followed by a red “!” on the LED screen after 5 seconds. To resume operation, rotate the ON/OFF knob to restart. The LED battery indicator will flash when the battery levels are low. When inserting a larger grinding bit, leave a bit of gap between the grinding bit and handpiece to avoid the handpiece running under resistance. The Aprés e-file machine has a smart protection system with a built-in faulty alarm CAUTION! Keep away from children In case of malfunction, contact certified repair center Never repair or disassemble the control box without professional personnel.