Deep Cleansing, Lightening, Moisturizer, Whitening...... portable , convenient Make you skin keep moist Power supply: DC 4.5V (AAA×3)2.9W Atomization quantity: about 0.9mL/minute Spraying each time: 30s Essence liquid capacity: 4ml On-off mode: Slide cover Unit Size: 43×118×20.5mm nano spray handy mist