Main Parameter: Working Voltage: AC220V/50Hz Working Power: 300W Motor Max. Speed: 22000rpm Small blade Max. Speed: 22000rpm Large blade Max. Speed: 20000rpm Large blade Size: 160mm/18mm Small blade Size: 145mm/13mm Glassware capacity: 5ml 10ml 15ml 20ml Working time: ＜5mins Attention: Before operating the unit please read this instruction book thoroughly and retain it for future reference. 1. Machine should be placed in dry clean ventilated position the operation of the machine placed in a horizontal position and smooth. Keep away from flammables and explosives. 2. For safety reasons must be connected to a reliable safety grounding device must have three feet with ground connection. 3. Unplug the power cable/cord if the machine will not be used in a long time. Item included: 022080 A set of Emulsifying Homogenizer Laboratory Dispenser Carton packaging