Features Can cut lens with thickness less than 16.1 mm Quick cutting speed Imported milling cutter Put a lens which has been marked the axis on lens meter and layout blocker into the position of lens and then fix it by left knob and be ready to cut. Specification Power Supply: AC 220 V/ 50 Hz;AC 110 V/ 60 Hz; 70 W Weight: 5 kg How to Use 1. Select a liner lens or lens firstly, fix the suction disc in the central position of liner lens or lens, then install them to the chuck device and clamp the lens by the knob. 2. Put a lens which has been marked the axis on lens meter and layout blocker into the position of lens and then fix it by the left knob and be ready to cut. 3. Turn on the switch and put down the machine head slowly, keep the lens in the central position of miller. 4. Lift the machine head upward after the template rotates for a circle, carefully take out the finished lens, and then trim the burr on the hand edge. Safety Precautions 1. Don't use this machine for other purposes except for Cutting; 2.While the machine is working, don't touch the rotary blade to avoid getting injured; 3. Don't use this machine when the power requirement (voltage and frequency) are not reached, you should be clear about the actual working power supply; 4. Don't put the machine at the place of high temperature and insolation in sun shine. 5.If any liquid or other materials drop into the machine, turn the switch off immediately and pull the plug out of the wall socket; Please don't start the machine again until the machine is thoroughly checked and repaired by an expert in this line; 6. Don't install other parts at will except the original parts of this machine; 7. Don't operate the machine over-worked; don't dash any parts of this machine.