The Nano Sanitizer Spray Machine is powered by a 150mAh battery that can last up to 60-minutes. It takes around 1-2 hours of charging. The spray uses a little amount of liquid sanitizer. All you need to do is to open the tank by moving the head of the device. Put the sanitizing liquid of your choice inside the tank. Close the tank and press the button to activate the sprayer. You can now Dis-infect the object.