Description: Power off protection: two gear fog, direct fog for 4 hours will automatically power off protection, intermittent fog for 8 hours will automatically power off protection Inclined water tight: the rubber ring has a leak proof function, and the bottle mouth buckle is a retractable soft glue, which can realize inverted water tight Ultrasonic atomization humidifier: high humidification intensity, fine and uniform ultrasonic atomization. The design scheme without capacity enables the spray volume to reach the relative humidity requirement of 35ml/h Romantic atmosphere lamp: Long press the on key to turn on or off the soft night light mode. Features: usb, quiet and smooth, double purification, portable and compact, detachable length, free combination Specification: Product name: Mini Portable Humidifiers Spray volume: 30-40ml Working voltage: DC5V Applicable water quality: tap water/mineral water Operating temperature: - 10-50°C Gear position: continuous fogging in first gear, indirect fogging in second gear, closing in third gear Material: ABS pc, silicone Size Chart: 22cmx5.5cmx5.5cm/8.66inchx2.17inchx2.17inch Package Includes: 1 piece Humidifier  2 pieces Cotton swabs 1 piece USB cable 1 piece Instructions(2 Pack) Note: Please allow slightly errors due to manual measurement and different monitors.