1.intelligent robot cleaner, automatic working 2.low noise , protable 3.pretect detector Item No.Vacuum Duration, Recharge timeDust Tank CapacityNoise DBWeight and PackageMain FeaturesKRV21028-35mins, 6hours200ml68db2.5kgs/pc,giftbox34.5*34.5*14.5cm4pcs/carton56.5 *36.5*37cm20gp 1588pcs,40gp 2950pcs,40hq3680pcsvery samll body .14.4V,25W,2in one(2 cleaning programs :sunction+mop) Anti- ...