Canary Products HZ120 Mini Travel and Car Air Humidifier Now with Plug in Adapter Humidifier for your car and office. It has a usb adapter to plug into the wall, your computer, as well as an adapter to plug into your car Can easily be attached to the air-conditioning vent of a car Two different modes: mode 1: 7 mines' working + 14S' intermittence; Mode2: 5 s' working + 10S' intermittence Mini size, space saving Safety system: automatic shut off