Robot Vacuum Cleaner with Rechargeable battery, It can Automatically Run and absorbs the dust and scrap. Some Robot Vacuum Cleaner with Auto Rechargeable device(when the Vacuum Cleaner battery power is not enough, The Vacuum Cleaner will auto look for the Auto Rechargeable device and Auto Rechargeable battery then auto working) RVC20080303 LCD display panel to show operation status Automatically cleans floor Rechargeable battery runs for 70 to 80 minutes on the floor Cleaning capability: 30 minutes at area of 4.8 x 3.2m Ultraviolet light attached on the bottom for disinfection With automatic charging station will go back to charge automatically Three drop sensors to detect stairs avoid falling off Built-in slot for fragrance packaging With multifunction remote control Non-marring bumper Virtual wall detector Wall following sensor Keeps floor clean by periodic deep vacuuming Self-adjusting cleaning head automatically traverses uneven floor transitions as it cleans carpets, hardwood, linoleum and tiles Easily slide out the bag-less particle bin to discard the dirt that it picked up Noise figure: 80dB at distance of 20cm (under our test condition) Battery: Ni-CD and NiMH 14.4V, 2.5Ah rechargeable Standard adapter/charger: 24V DC 500mA linear and 3.5 hours of charging time Fast adapter/charger: 22V DC 1.0A switching and 2.5 hours of charging time Applicable for all kinds of floor, except shag, deep pile.  Approval status: GS, CE, SAA, CB and UL One year warranty Dimensions: 36 x 9cm Weight: 3.5kg Accessories:  Home base Remote control Ni-MH 14.4V, 2.5Ah rechargeable 22V DC, 1, 000mA charger Filter x 2 pieces Side brush Hand brush User manual Loading quantity:  20-feet HQ container: 640 pieces 40-feet HQ container: 1, 280 pieces 40-feet HQ container: 1, 600 pieces.