Product Name: Automatic Drying System Cordless Wet & Dry Vacuum Cleaner Model No.: i7 Pro Descriptions: 1.600ML super large clean water tank covers the whole house800ML super-large sewage tank for 2 cleanings 2.The graphene charging station will automatically heat and dry the rolling brush after cleaning to eliminate bacteria and odor 3.The 21700,4000mAh super capacity battery guarantees long run time(Max.40mins)and battery life 4.Sweeping,dry+wet mopping,vacuumingcombo 5.150W brushless fan,14Kpa super strong suction 6.The dual-tank system keeps clean and dirty water separate, so youre always cleaning with fresh water and solution. 7.Water shortage, full water automatic alarm 8.Automatic control of water tank spraying more evenly 9.Super quiet voise level 10.Dry moisture absorption and wet drag can be freely switched at any time 11.The use of automatic power assist system is more labor-saving and comfortable 12.Charging and one-button self-cleaning are convenient to use and more clean and hygienic 13.Normalandpower modes can be switchedfreely, low power automatically alarm 14.High speed roller brush clean the ground cleaner 15.Monitor cleaning performance with built-in voiceguidance, which provide helpful maintenance reminders 16.Voice guidance can be switched on/off freely. Parameters: Voltage: 22.2V battery Battery capacity: 4000m Ahpower: 200W Recovery Tank Capacity: 800ML Solution Tank Capacity:600ML Charging time4-5 H Working time for floor washer model:25-40Min Working area size200 Size: 280*210*1150mm Vacuum for floor washer mode:8- 14Kpa Roller speed: 600 rpm Net weight :3.8KG gross weight:7.5KG Noise