Humidifier Esperanza HYDRO SPA EHA004 Tank capacity 3,5 L, Power 25 W; Suitable for rooms up to 40 m2; 4 levels of steam outputs; Steam output 300 ml / hr.; 11,5 hours of continuous operation without refilling the tank; Automatic shutdown after emptying the container (+ Alarm); LCD display with blue backlight; Dynamic detecting and display the room temperature and humidity