Enhance Your Life People feel most comfortable when the relative humidity is between 40-60%. It may cause nasal congestion, skin and eye dryness, static electricity and cracks in furniture when humidity drops to 30% or below. Ultrasonic humidifiers help to relieve those discomforts by adding clean and healthy moisture to the dry air. Warm Tips 1. Please do not add any essential oils into the humidifier. 2. Please do not place this product on blankets or towels. 3. The most comfortable environmental humidity is between 40%-60%. Please adjust the mist as you need. If humidity is too high, please do not use this product. 4. Technical Specifications Model: TT-AH001 Voltage: 120V/60Hz Power: 30W Water Tank Volume: 4L/1.06 Gallon Working Time: 12-30 hours Max Humidity Increase: 30030mL/h Noise Level: 38dB(A) TaoTronics Humidifiers, 4L Cool Mist Ultrasonic Humidifier for Bedroom Home Large Room, LED Display with Humidistat, Waterless Auto Shut-off Blue(1.06 Gallon, US 110V) What’s in the Box 1 x Humidifier (Model: TT-AH001 1 x Cleaning Brush 1 x User Guide Troubleshoot: (1) Tank leakage – * Tank may be damaged * Tank cap is not tightened securely * Rubber ring was not installed on tank cap * Ensure the spring is secured properly to the tank allowing water to pass through to the base. (2) Humidifier is getting too hot – * Unit works for too long. Other troubleshoot and their solutions are available on the user manual Pg- 14 to Pg- 16.