"Functions:Two levels of energy saving and several operational patterns,move smartly against obstacles and staircases.It contains 9 different functions,especially the function of power-on-self-test,over-load protection,battery safety. Battery equipped: standard capacity rechargable 14.4V Ni-MH battery.Charge mode: 115-240V Charging time:approx 4-5 hours,it can continously run for 60 minutes at full charge Fittings(each with one): Battery Charge, Rechargeable Battery Pack(Installed), Spoon, Replacement Side Bursh, Replacement Filter, Operating Manual "