TIMER AND BPA-FREE MATERIALS - OPTIONAL 4-HOUR/8-HOUR AUTO SHUT-OFF FOR WIRELESS HUMIDIFIER PROTECTION AND SAFETY. Made of BPA-free material, ideal for nurseries and children ALL-IN-ONE FUNCTIONALITY AND QUIET DESIGN - Cool mist humidifier with only 28dB of air noise no matter who is sleeping, studying or works, he will not be disturbed. It perfumes your environment and humidifies the air. Ideal for personal, home, bedroom, plants, office, yoga, travel, baby, office. LARGE CAPACITY AND SPRAY - The large capacity water tank of 800ml provides up to 8 hours of continuous use throughout the day, depending on the type of spray mode used