From Xiaomi
Product name: robotic vacuum cleanerproduct model number: d109glmain unit dimensions: φ350×97mmrated power: 55wrated voltage: 14.4v⎓charging voltage: 19.6v⎓battery capacity: 4800mah (rated capacity)5200mah (nominal capacity)main unit net weight: 3.9kgstation size: 340×420×563mmservice email: service.sg@support.mi.comaddress: 229, lavender street, singapore 338778 working hours: tuesday – saturday: 10am – 7pm(sunday, monday, public holiday – closed) service center number: 85814530call center number: 8008528474