This product is not suitable for viscous liquid and volatile flammable liquid at the same time the container must be more than 3CM in the inlet of the container can be used

through The FDA  pahs  EMC CE Rohs certification 

Quality assurance is not a small workshop quality 

 Note: this product does not contain battery

Customs code: 8413609090

Revolutions: idling 12000/min, load 8500

Gram weight: 300 grams /PSC

Packing: 30 PSC/CTN

External volume: 32*39*70CM

Packing: 30 pairs in a carton

Note before purchase: the tubing is rigid and cannot be folded or bent If you are going to pump your own gas tank make sure that the gas tank can be put in first or you won't be able to use it. It's mainly an open tank for industrial sampling

Just two no. 1 batteries and that's easy.

Come on Fish tank for water industrial liquid and so on can be used simple and convenient