Come and see our amazing products! Automatic induction bubble generation: infrared induction technology, ultra-fast induction time is only 0.25s, making life more convenient. When you reach the sensing area (0-5cm sensing distance), it will automatically emit dense bubbles. Gentle bubbles penetrate the pores and clean your hands. Battery operated. 3.35" W x 5.31" L x 7.87" H. Quantity over 500pcs bases on ocean shipping way, send emails and release the order today! Pls confirm further with us if any query about packing info, inventory status and time schedule.