Power type: plug-in power supply; 220V power supply Input power 180 Vacuum speed 10000 ~ 37000 (rpm) Change fixed speed in transmission mode The diameter of the grinding head 3 (mm) Mandrel size 0.5 1.0 1.5 2.5 3.0 3.2 accessories, coal broom, flint grinding head, key, manual The length of the power cord is 1.5 (m) Net weight 0.7 (kg) Applicable objects: jade, aluminum plate, wood, plastic plate, bodhi, etc. Nominal voltage range AC single-phase and DC 50 V above 250 V and below The specifications can tighten the specification of the 0.5 Forest Instructions For the use of power tools when using power tools, in order to reduce accidents such as fires, electric shocks and injury, you should pay attention to the basic security features listed CI -Dessous; Please read carefully the following security features before continuing. 1. Keep the workplace clean and do not use electrical tools in workplaces and messy work surfaces. 2. Do not use electrical tools in dark and wet locations. Keep it out of the rain. Do not use in combustible liquids or where combustible gases exist. 3. Do not leave the children and idle on the workplace. The rollers do not allow rollers to approach tactile tools or power cables. 4. When the power tool is not used, it must be stored in a dry place and out of the reach of children, and must be locked.Keep 5. Keep an appropriate speed and pressure speed to make the tool operation safer and more durable. 6. Operate according to the specified application range and do not exceed compliance for overload processing. 7. You must maintain a correct posture when you work, you must stay firm and you do not have to stretch your hands on the tools to take things. 8. The knives must be lubricated and replaced from time to time to keep them sharpened and the wires must be checked regularly. 9. When the tools are not used or for maintenance, when you change the devices and knives, make sure you disconnect the power plug. 10. Check before turning on the switch to run the machine. It is necessary to check if the cutting tool adjustment tools and the fastening key are completely removed. 11. To avoid accidental startup, you must check if the tool switch is turned off before inserting the plug into the power source. After power up, do not frequently press your finger on the switch. 12. Exterior extensions, when using tools outside, be sure to use external extension cords. 13. Do not wear ample clothing or accessories to avoid tangling when the tool turns. Rubber gloves and non-slip industrial safety shoes should be worn outside. Protective cap. 14. Use safety glasses and wear a mask when there are too many chips and dust. 15. Do not walk on the wire, do not slide the wire moving tool and avoid touching the hot object and the pointed metal edge or to wet the fat. 16. Secure the room. Use tongs to secure the piece to cut, which is safer than holding the room by hand. 17. When repairing or replacing parts, be sure to use the parts specified by the original plant and send them to a professional replacement repair center. 18. Pay attention to the workpiece and tool in unison. Tools should not be used in case of fatigue. 19. Before using the tool, you must carefully check if the tool cover or other parts are damaged and check if the degree of damage will affect the normal operation of the tool. Check if all moving parts are in the correct position, if the parts are fixed, etc. If the lid or other parts are damaged, if there is a problem with the tool switch, please ask a specialized store to repair or replace. Do not use a power switch that does not work properly to activate the tool. 20. During the work, your body should not come into contact with grounded metal objects, such as iron pipes, radiators, refrigerators, etc.