The two types of sprayers can be classified in many ways depending on criteria, but the most fundamental division is manual pump sprayers versus powered sprayers. Manual pump sprayers require hand pumping to build pressure and include handheld 1 to 2-gallon pump sprayers, backpack 4-gallon pump sprayers, and compression sprayers used by homeowners and pest control pros, which are affordable, simple, and good for small to medium areas but require physical effort. Powered sprayers use battery, 12-volt, or gasoline engine to create pressure and include battery-powered backpack sprayers, tow-behind 25 to 60-gallon sprayers with 12-volt pumps for ATV or mower, 3-point hitch sprayers for tractors, and motorized mist blowers, which provide consistent pressure without pumping and are better for large areas but cost more. Another common two-type division is boom sprayers versus boomless sprayers for agricultural use, where boom sprayers have a long arm with multiple nozzles for uniform coverage over wide width, ideal for flat open fields, while boomless sprayers use one or two large nozzles to create wide fan without boom, better for rough terrain and obstacles. In paint context, two types are HVLP versus airless sprayers. So two types depend on classification, but manual versus powered is broadest.
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