... sample quality4.for different food samples, choose a different power, can effectively guaranteethe original quality of the raw grain. ... Technical parameters: 1, the working power supply: AC220V 50Hz2, the effective power: 1000W, 2000W, 3000W Optional3.Maximum Power: 3000W4, the maximum suction: ... size: 130cm,7. the connection tube size: 120cm,8. power cord size: 800cm,9. machine size: Φ50 X 110cm ...