2. Each set is equipped with a ring to increase the robustness of the hose.
 3. The hand pump is easy to use and can transport liquids (water and other non-corrosive liquids) safely and easily.
 4. The material is environmentally friendly food grade PE pipe.
 Product specifications:
 Type: Liquid pump, oil extractor
 Material: plastic
 Motor power: 3W
 Working current: 1A
 Working voltage: 3V (use two 1st dry battery, the package does not contain battery, please buy it yourself)