Low noise, keep quiet, provides you better sleep environment.Double spray nozzle compatible with covering large area and each spray nozzle can be controlled independently.Comes with clear cell volume display makes you can know its working status.500 ML high c-apacity water t-ank, no need to add water frequently and built-in 4000mAh rechargeable cellcompatible with long-lasting.adjustable spray mode(single spray mode/ dual spray mode) meets your diverse needs.Input voltage: D C5 V 1 AWorking current: 400mA (single spray mode)/ 900mA (dual spray mode)Consumption: 1.48W (single spray mode)/ 3.3W (dual spray mode)Type: (With 4000mAh High Capacity Rechargeable Cell)/Water capacity: 500MLNozzle qty: 2Built-in cell: 1 x 3.7 V 4000mAh rechargeable cellSpray mode: adjustable spray mode(single spray mode/ dual spray mode)Spray water volume: 35ML/H-50ML/HWorking hours: 5 hrs compatible with dual spray nozzle/ 10 hrs compatible with single spray nozzleSupported cell volume display: YesItem size: 17.0 cm x 12.0 cm x 12.0 cmNote:Please wet the cotton stick becompatible withe use.Material:ABScolour:WhitePackage Contents:1 x Air Humidifier1 x USB cable1 x English manualOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.