Received in excellent packaging all cardboard, some plastics. It measures 32 x 20 x 12, a lower noise level than previous device. Perfectly acceptable in a room. Filled with water, the tank contains 4 liters of water cleanses the device, simply proceed as indicated in the manual well designed, multilingual which in French. A little bit of patience and he is fully operational with a multitude of settings: Humidification rate (up to 95%!) autonomy (more than a dozen hours before recharging and a water gauge, automatic stop when the tank is empty.) This device emits a mist configurable as required 3 Level vapors timer to set the camera function of negative ions with multiple virtues Very very comprehensive and especially helpful to moisten too heated rooms or too dry air, maintains the desired humidity level variety thanks to its variety of possible settings. The humidification ratio setting may for example vary from 40% to 95%. Similarly the level of haze is also broadcast adjustable. The Tao Tronics is also equipped with a timer that allows you to set the duration of its operation, which can be particularly useful, especially at night Grand without more, pass around a bathroom, a kitchen, a workshop ... The show (less boilerplate) but it happens anyway (just do not put it on the coffee table;) the course room. Seriously, it offers great comfort. Follow the instructions on the enclosed leaflet, he fulfilled his role to perfection. Good working unit.