1.Automatic Induction Dispenser: Infrared induction technology, the ultrafast induction time is only 0.25s, reach out to the induction area (the induction distance is 06cm), making life more convenient. 2.Material: Made of highquality ABS material, which is durable and strong; the body of the alcohol bottle is made of highgrade frosted material, which is clear and clean and can be checked at any time; the large capacity of 550ml can be used for a long time. 3.: There are 4 modes you can decide how much alcohol you want. Power on: long press touch key green light on; Power off: touch key press to red light; lightly touch the power switch, 1speed discharge: green light on for 1 second; 2speed discharge: blue light 1.5 seconds; 3speed discharge: purple light on for 1.8 seconds; 4speed liquid discharge: purple light 2.3 seconds. 4.Rechargeable: The automatic liquid dispenser uses the Upgraded Builtin Rechargeable 1200mA Lithium Battery. It Can Be Used for About 23 Months After Charging for 23 Hours, and Can Only Be Activated When in Use.The Charging Port is on the Top of the Machine to Avoid Water Ingress and It Adopts TypeC to Avoid the Problem of Wrong Insertion Direction. 5.InstallationIPX6 : Take out the alcohol canister from the bottom and put it back on, don't worry about the liquid leaking into the dispenser through the button and damage it; Automatic liquid dispenser is IPX6 waterproof, please do not immerse it in water or wash it directly with water to avoid stopping work.