Midea MPPH7-09CRN7 Portable Air Conditioner 3 Years manufacturers warranty - Just fill in the form and send it back to the manufacturer for an extended 3 year warranty Automatic restart: In the event of a power failure, the unit restarts with the settings previously in use. 0.5 W Stand By: The power consumption of the unit is equal to 0.5 W. This allows great energy savings. Self Evaporating:The condensate water generated is disposed of by the hot air expelled outside the room. - No trays to empty under normal use. Swivel wheels: Swivel wheels for easy transport and movement. Timer: The timer function allows you to set a deferred switching on or off time with intervals up to 24 hours.