feature:1. Automatic timing protection, timing shutdown for 8 hours to prevent dehydration and avoid product damage.2. Ultrasonic atomization film, silent 32 decibels, (meet people's sleep requirements) silent humidification, accompany you to sleep comfortably.3. USB input, simple and convenient. Suitable for most self-powered products. For example, conventional USB charging plugs, laptop computers, and mobile power supplies.describe:Second gear mode, continuous atomization|indirect atomization. Super fine spray and finer water mist. Up to 35 milliliters of mist can be produced per hour.Specification:Name: Cactus humidifierCapacity: 340mlWeight: 190GSpray volume: 35-40mlBattery capacity: 1200mahNoise level: 25-30dBRated current: 300maRated voltage: DC5VRated power: 1.5WSize: 79*140*47mmCharging time: about 2 hoursBattery life: about 4 hoursMaterial: ABS+PP+PET+siliconeApplicable water quality: tap waterPackage Included:1x Cactus humidifiernotes:1. Due to the difference of different monitors, the picture may not reflect the actual color of the product. We guarantee that the style is the same as shown in the picture.2. As manual measurement is different, please allow slight size differences.