Feature:It can increase humidity of air, reducing dust and bacteria.360 degree rotation to make full humidification.You can drop the aroma oil into the water to make the air fresher.Auto-off after 2 hours.External two USB ports. ParameterCategory: Mini HumidifierInput voltage: DC12VOutput voltage: DC5VPower: 1.5W-3.5W sprayWater tank capacity: 50mlSpray volume: 20-30ml / hourUSB jack: DC5V2.1AFeatures: Fragrance / humidifier / purifierRuntime Duration: two hours off automaticallyMaterial: ABS + PP + electronic componentsMode:Humidification / Aromatherapy / OFF Notice1. Use the product when car is turned on2. Don't use it in lack of water3. Working tempreature:0-45 degree4. Keep it away from chirdren5. Clean the water and put product in dry environment when you don't use it