indoor mini mopping machine for home/office/villia floor cleaning

intelligent products really help us a lot for homework,for instance we have one mini size mopping machine with 3.7V rated power and 5.4Watts and 50Hz with USB charging plug and the whole net size is 25cm*25cm*7.5cm,one power control button,one USB charger plug,and intelligent moisture sprayer,one more thing is the battery capacity is 1200Ah and is able to continuously working 150mins with low noise level below 60db.