Clean Robot - Vacum Cleaner Otomatis 26 cm Robotic vacum cleaner Function : Vacuum, Sweeping and Mopping Description : - Noise reduction (working noise 55 db) - Working Voltage 3.7V / 1,200 mAh - Working hours 90 minutes - Long brush - USB charging (charging time 3 hours) - Dimension : 258 mm x 258 mm x 68mm