E-ware Ew-5k128 Ultrasonic Noiseless Eco-friendly Humidifier Cool Mist for Home/office 1.4L large water tank capacity. Large transparent visible water tank can be use up to 8 hours plus each refill. Adjustable mist control.Built-in fine-tune adjustable mist level for easy control of the mist. Adjustable 360 degree Mist Nozzle. Get any angle you want the mist come out. Auto-off when tank is empty. The unit is safe to use for bedroom at night worried free with just a single refill. Ultra-sonic cool mist humidifier, versatile and noiseless