pls look at vacuum and leaf blower with CE specific message :

engine type:1E35F
rate power:850w
displacement:31cc
fuel tank capacity:415ml
engine max output :0.85kw/6500rpm
engine max torque:1.32N.M/4500rpm
oil mixing ration:25:1
carburetor type: diaphragm type
max air speed:70m/s
output wind flow:10m3/min
dust bag:35L
N.W/G.W:6.1/7.0KG
size:50x34x48cm 
20FCL:318pcs    40FCL:658pcs