Overview: 1. Built-in 2000, Ah battery, Wireless long-lasting humidification 2. Easily take pretty pictures at home with sunset light 3. Two spray modes meet different humidification needs 4. Automatically power off without water to prevent dry burn 5. Ultra-quiet design, do not disturb work, study, sleep, etc. Specification: Product name: Sunset lamp humidifier Specifications: battery type and normal type (without battery) Material quality: ANB+PP+PC+silicone+hardware+electronic components Function: night light projection Number of fog outlets: 1 Operation mode: mechanical Timing function: 2-8 hours Water shortage and power failure protection: support Power supply mode: USB, dry battery Shape: square Noise: 36dB or less Rated voltage: 3.7 (V) Rated power: 5 (W) Size information: Product size: 13.3*9.2*14.6cm Package Content : Sunset Projection*1 Product picture: