Voltage: 18V
Vibrating frequency: 2500-9500/min
12 level speed
Sucker diameter : 123mm /4.8inch
Adsorption capacity : 60kg /132lbs
Suitable Tile Size: 30-120cm
Surface recommendation: Smooth surface
Special feature: Suction cup lick design
Recommend: 2000MAH Li-ion battery + 2.5A Quick Charger