Warm and cool mist ultrasonic humidifier disperse warm and cool mist throughout your living spaces to create a soothing atmosphere at home with the LEVOIT Hybrid Ultrasonic Humidifier. Got a cold or the flu? The warm, soothing mist helps you relieve from cold,flu,and mineral dust around your living spaces. If you have trouble sleeping at night, the cool mist will alleviate congestion or a cough by keeping your throat and nasal passages hydrated. Moisturize your skin and reduce static electricity in your home with the cool mist function. Technical Specifications: Voltage: AC 120V / 60Hz Rated Power: 280W Water Tank Capacity: 6L (1. 59 gals) Max Cool Moisture Capacity: 300ml/h Max Warm Moisture Capacity: 500ml/h Running Time: 10-60 hours Package Included: 1 x Hybrid Ultrasonic Humidifier 1 x Remote Control 1 x Cleaning Brush 3 x Aroma Pads (1 pre-installed) 3 x Absorption Pads (1 pre-installed) 1 x User Manual Note: Use distilled water or filtered water instead of tap water, use tap water might leave white dust and grow mold.DO NOT put the humidifier on the wooden floor or wooden furniture directly unless a towel is placed on the wooden surface.Use caution when setting the warm mist function, the mist being diffused is hot.Clean once a week to prevent buildups and extend product lifetime.The minimum amount of water needed for the humidifier to function is 2cups (480ml).It is recommended to place the humidifier on elevated-level surfaces such as desktops, tables, or nightstands.