Model: BT600FJ/YZ1515xSpeed range: 0.1-600 rpm Flow range : 0.007-2280ml/min Max Number of Channel: 2 Power supply: AC110V or AC220V Basic type liquid constant peristaltic pump with Flow reversible Metal housing with anti-corrosion paint treatment, prolong pump life time. Good electromagnetic compatibility, ensure stable and reliable operation CE certified product based on request.