Professional 210 Electric Nail Drill Kit with Micro Motor & SDE-H20N 2.35mm Handpiece - Manicure Pedicure Nail File Bits Set for Salon & Home Nail Art Equipment - Perfect for Gel Polish Removal, Acrylic Nails & DIY Nail Care

Precautions when using the Hand-piece 1. Install the Control Unit in the room of suitable temperature(0-40 C). Using it in an excessively dusty, warm or humid location damages to the Control Unit. 2. The Control Unit should rest on a flat steady place which is not disturbed by other things. 3. Never plug or unplug the Power Cord with wet hands to avoid electric shock. 4. Never use bent, asymmetrical or damaged burs. Always use standard burs. 5. Do not operate exceeding the maximum rotation speed specified by the manufacturer or distributor for the bur being used 6. Set the rotation speed of bur after refer to the allowable ration speed chart in the User’s Manual. 7. Always thoroughly clean the Collet Chuck and a bur before reassembled. 8. Make sure to insert the bur shank all the way, until it touches the back of the Collet Chuck. Then tighten the Collet Chuck. If the bur is used while not inserted completely, it is very dangerous because it may come out by the vibration of itself. 9. After replace a bur, it is necessary to make sure that the Collet Chuck is securely held before running the Handpiece. 10. While the Handpiece is running, DO NOT try to adjust the Set Ring to prevent the Control Unit from being damaged. 11. Before operating the Forward/Reverse Selector Switch to turn a rotating direction, it is surely required to make sure that the Micromotor has been stopped. 12. Take every possible care not to drop the Handpiece. It may be damaged a Ball Bearing or weaken durability of the Handpiece. 13. When work cutting or drilling, wear always goggles and mask. 14. Always put the Handpiece of its stand while in use. 15. Only the skilled engineer is authorized to disassemble the Spindle Set and the Micromotor in order to avoid any damage to them 16. When the Handpiece is not in use, it is recommended for a test bur or a polishing point to be kept inserted into the Collet Chuck of the Handpiece. MICROMOTOR HANDPIECE Read this User's Manual thoroughly for safety before preparing the Control Unit for use. Wear the safety glasses for protecting eyes. How to operate 1. Connect the Motor Cord and Foot Pedal Cord to the Control Unit(refer to seperated sheet of Control Units). 2. After confirm the permission power of the Control Unit, plug the Power Cord into an electric outlet 3. Set the Speed Control Knob to the slowest position 4. Turn on the power of the Control Unit 5. If operate the Speed Control Knob clockwise, the rotation speed of the Micromotor increases 6. When wish to turn a rotating direction, after halt the Micromotor, operate the Forward/Reverse Selector Swilch 7. When wish to regulate a rotating speed using the Foot Pedal, after operate the Hand/Foot Selector Switch as "FOOT", use