YOUWE 21V Cordless Paint Sprayer can complete small to medium-sized painting jobs quickly and efficiently. It provides smooth and even paint spraying with minimal overspray and excellent results. The 21V paint sprayer also has a 900 ml tank capacity, which is enough for most home improvement painting jobs. Best of all, the paint sprayer can be used for the most common materials such as paint, varnish, diluted caulk, enamel, primer, and undercoat. This paint sprayer has a consistent and adjustable flow rate with a maximum flow rate of 700 ml/min. When you are able to adjust the flow rate, you can prevent overspray and get more professional results. It can also prevent splashes and leaks on carpets and floors or clogging inside the paint sprayer. Designed to be handheld, it is lightweight, portable and easy to clean, ensuring that the paint sprayer is easy to use. All of these features can save you time on your painting projects, and the efficient, high-quality sprayer can achieve the best results, has a wide range of applications, and is easy to clean.