Features: The suction is gentle and does not cause injury to the teats. The vacuum power is strong enough to drain milk from the udder. Stainless steel suction tank is anti-rust and easy to clean. This milking kit is small enough to facilitate easy handling and mobility. Large capacity of the bottle: 5L. A good helper tool for the farmers. Specifications: Condition: Brand New Main Material: Stainless steel Capacity: 5L Maximum power of vacuum pump: 24W How to Use: 1. After receiving the product, just insert the tube into the side of the bottle without adjusting the installation in other places. All the tests are good. 2. How to remove the pipe; press down on the blue release ring on the black connector and pull out the pipe. Do not pull it out directly, it will damage the air leakage. 3. When the machine is working, the bottle is in a vacuum state. Please do not squeeze hard, make sure the bottle is vertical to prevent the motor from entering the milk. 4. Please clean the milk bottle and milk tube with warm water, do not boil it with high temperature water, do not put it in the cleaning cabinet, clean it with warm water. Package List: 1* Suction tank 1* Suction double ends 1* Pump 1* Power adapters 1* User Manual Note: The water cannot enter the motor. Please note that the suction tank can not be sucked too much, leaving a little space to prevent water from entering the motor. Please allow slight error due to manual measurement and make sure you do not mind before ordering. ​ .