Rated voltage: DC5VThree Wind Speed Setting & LED Indicator Light: This air cooler has 3 wind speed settings (low/middle/high) which can meet your different needs. When the water tank is empty, the indicator light changes from blue to red.1 x USB cablePortable Design: Lightweight design and the convenient carry handle on the top make this evaporative air cooler easy to move from room to room. Suitable for families, offices, RVs, and outdoor activities.Auto-Shut Off Protection: When the box is empty and the filter core becomes dry, the machine will automatically shut down to the air cooler. This air cooler also has a Tip-Over Protection. Built-in dumping device. If tipped over, it will automatically turn off. silica gel sealed tank mouth design maximize water leakage.Water tank capacity: 350ml1 x Portable Air ConditionerProduct Weight: 0.81kg/1.8ibResistance Dry Environment & Enjoy cool summer: The air cooler let the dry air change to a cool, fresh wind. Not only does this help make the air 'feel' cooler, but it may also help some of the associated with itchy eyes, dry skin, and throats.Portable Air Conditioner & Mini Humidifier 2 in 1: This personal air conditioner can be used as an evaporative air cooler and air humidifier. Put some ice and water to the boxes, enjoy your cool and fresh summertime.Package Size: 180x187x228mm/7.1x7.4x8.9inchesProduct Size: 137x140x190mm/5.4x5.5x7.5inchesRated power: 4WPackage weight: 0.99kg/2.2ib