Brand: yk Model: sim-jz-iv-180 Dust-adoption rate: 98% Voltage: 110v-240v Frequency: 50hz/60hz Main shaft: 8mm Power: 380w Rpm of sander: 3100 Rpm of vacuum cleaner: 8000 Suction pipe: 1.5m/3m Power line: 1.5m/3m Rub the internal corner: yes The products developed, researched and manufactured by us own many advantages as follows: One: environmental protection design The dust can be absorbed by the air suction device when sanding, so it can protect the environment, and also ensure the operator's health. Two: security and reliable 1. The products accord with handheld electric tools gb3883 national standard. 2. Our company is approbatory by chongqing municipal quality and technical supervision bureau. 3. The products had been passed ce certification. 4. The products had been passed iso9001-2008 certification. Three: high efficiency The products are powered by ac motor to drive the rotary disk. It is 4-6 times quicker than traditional man-powered sanding. Four: humanity design 1. Handheld 2. Light weight body 3. Colorful and beautiful of external appearance design 4. Installing and operating simply 5. Internal corner working 6. Dustless design, the dust absorption rate is 98% 7. Dust absorption and sanding integrated design Five: multifunctional tools 1. Drywall grinding 2. Woodworking 3. Metal parts and other hard material plane grinding, polishing and sanding Our products will bring more benefits for you! Sanding machine weight: 1.7kg Vacuum cleaner: 2.8kg Total 6.0kg only