DESCRIPTION: Product size : 36x8cm Packing : Each one in white/color box 4pcs / 55*43.5*44cm G.W:14.9 kgs 1060PCS/20FT 2200PCS/40FT 2592PCS/40HQ Character: * Automatically cleans your floor while you enjoy life * Stair Avoidance Detector * Non-Marring Bumper * Virtual Wall Detector * Wall Following Sensor *It keeps your floor clean between periodic deep vacuuming, *Self-adjusting cleaning head automatically traverses uneven floor transitions as it cleans carpet, hardwood, linoleum, and tile. *Easily slide out the bag-less particle bin to discard the dirt that it picked up. Lead time :15-20 working days after received your 30% deposit or clean L/C at sight Main accessories:virtual wall unit *1,battery charger *1,rechargeable battery pack *1, Spoons *1,side brush *1,filter *1,operating manual *1 Color : metallic silver,red Certificate:CE approval for unit and GS/CE,UL certificate for battery charger China GSP form A will we provided Specification: Main material:ABS,PP Input voltage of charger:100-240V AC Output voltage of charger:18C DC Voltage of battery:14.4V Unit average power:22watt Charge time of battery pack:4-6 hours Working time of battery:50-70minutes Unit size:?34*6CM