*Capacity: 800ml *Installation way: wall-mounted installation by screws *droplet volume adjustbale range:0.8-1.5ml Automatic Alcohol Dispenser, Hand ... the dispenser at once,don't you think it's cost saver and time saver? Suited in Kitchen, Office,Classroom,Family ... ,Bathroom & Laundry Room,etc. Black Color Sensor Alcohol Dispenser, droplet volume adjustbale range:0.8-1.5ml