1Manual operation, easy to control, no need to worry about motor damage, not easy to damage. 2Suitable for sheep, goat, transparent bottle provides clear viewing, strong structure, easy to clean. 33L capacity, provide a clear capacity scale for your convenient work with strong suction force. 4Compatible for work well in dairy plant, dairy farm, goat or sheep farm, portable and durable. 5Adopt principle of vacuum suction milking, is used in households with few sheep, the number is 13pcs. Item Type:Milking Machine Material:Food Grade Plastic + PU Capacity: 3L 1 x 3L Milk Bottle 2 xMilkers 2 x Connector 1 x Tube(Including 2 Shunts) 1 x Hand-Puller Tube 1 x Hand-Puller If the tube and the breast pump liner connector are connected directly, they cannot be unplugged. You need to use hot water to soften the tube before unplugging, otherwise the connector will be easily damaged.Please allow 2& 8209;3cm/0.81.2in error due to manual measurement. Thanks for your understanding.