Applications: To prevent mouth moving toys or childrens mouthpiece has been mistakenly inhaled and cause a choking hazardFeatures: 1. Instruments to meet the 5s at least 295 cubic centimeters within + / -10 cubic centimeters of gas, and can be 10 times alternately blowing, suction toy.power:220V/50Hz,4A.dimension:650*400*260 mm (L*W*H)Weight:40kgstandards:EN71.8.17