P3 P4920 Robotic Vacuum Cleaner - Cordless Robotic vacuum cleaner for wood, tiled, and carpeted floors 3 preprogrammed modes: Random, Spiral, and Along The Wall Electrostatic paper for bare floors; internal dustbin; whisper-quiet operation Includes 12 rechargeable batteries and an AC adapter Measures 11-1/2 by 11 by 4 inches; 6-month limited warranty