... is: 300 cm.5, low noise, extremely compact, easy to carry.[technical parameter]1 and exhaust flow: ... electric equipment,2, in use process, need someone to watch, please do not let children alone play, ... the suction snon postformable ground, so as to achieve better effect.5 and the power switch ... water and moisture content, attention shall be paid to the former cover conduit height (capacity) resistance, ...