Part of the one+ system of cordless tools for the home and garden, the Ryobi OWS1880 cordless weed sprayer has a 3.5L tank and built in measuring cup. The integrated lance allows single-handed operation, and is pressurised at the touch of a button, removing the need to pump. This item is a 'bare' Tool (without battery or charger) which is a great value way to expand your one+ collection.
eBay