Motor power：60W and max 100W
Battery type:  7.4V 2200mAh (14.8V2200mAh as options)
Charging time: About 5hours
Working time: About 30 min.             
Dust capacity: About 0.3L
Noise: About  65dB
Product size(mm):  1100*335*180
Giftbox size(mm): 600*220*220
8-in-1 export carton(mm): 895*610*450
20”/40”/40HQ : 920/1920/2160

Cordless version, no power cord trouble 
Specialized for all kinds of hardfloors cleaning 
Very light weight  for consumer covnenient operation
Low noise level design with high RPM
On/off and spraying water button on handle for convenient operation
LED display  
Battery detachable