Larger Capacity: Water capacity runs continuously up to 8 hours in high mist mode and 17 hours in low mist mode. Upward Water Flow: Unlike some diffusers on the market, this diffuser is designed to spread the mist upward, leaving no vapor on your loved furniture. Quiet and Auto Shut Off: The Ultrasonic diffuser runs so quietly that you barely notice the sound. Waterless auto shut off for safety protection. Aromatherapy diffuser infuses lovely fragrances and improves the air quality we breathe. It is perfect for relieving modern day stress and creating a comfortable and relaxed environment. Application area: computer room, office, living room, bedroom, kitchen, toilet, in car and so on Specification: 1. With LED light inner 2. Super silent design 3. Pure water is preferable Material : ABS , PP Capacity : 180ml Mist Output : 40to50ml or h Output Voltage : DC 5V Power : 1.5W LED Light : Warm White Light Size : 18x5.5cm Weight : 87g Package Contents : 1 x User Manual , 1 x Humidifier , 1 x USB Cable