Smart Vacuum Vacuum Vacuum Machine - Charged - Multi-color Only Works On Floor - Do Not Work Over Thick Carpet - Please Read Specs Carefully Before Purchasing Avoid Furniture Moves Freely Vacuum Dust Vacuum Vacuum Vacuum Vacuum Not Heavy Duty Multi-Color depending on availability - Black or White Product Features 23cm by 6cm Product Weight 760g Working Voltage 3 7V This product is a robotic vacuum cleaner before the first use. Remove the insulation paper on the battery cap and connect the battery correctly The brush can be installed on the back of the device - remove and clean There are three UV lights at the bottom and cleaning process results floor cleansing and sweeping function, just stick the wipe cloth at the bottom of the product correctly.