Voltage. 380V 50HZ 3phase. Final pellets. Dia.1-12mm. Products Features: 1)The pellet can float on the water at least for 12 hours. no water pollution. 2)The feed pellet diameter can be 1-10mm,length adjustable. 3) The pellet smooth, nutrition. 4)Both floating and sinking feed pellets.The floating time can be adjusted by the different puffing