... efficiency 4.Good effect 5.Competitive price Product Description:XO-650,XO-1200 Model Ultrasonic Cell Crushers are multifunction and multipurpose ... Chemistry,Surface Chemistry,Physics,Zoology. Technical Parameters:Model No.: XO-650(English Version Liquid Crystal)Frequency: 20~24KHzPower: 20~650W fine ... : 1~99%Power Source: 220V/110V±5%Model No XO-650(English Version Liquid Crystal) XO ...