New back-saver design has less bending to the pump. External pump for less contact with chemicals and is easily serviceable. Adjustable spray tip for spray or mist. Tank resists corrosion and has a pressure limiting valve. Easy-to-use thumb control with lock-on button. Convenient carry handles with built-in wand storage clip. Sprayer has a funnel top with built-in measuring cup. No more waste and spills. Rings on the tank to indicate gallon levels. 3 gallon tank.