Long Runtime Clean Up to 20 Cars on One Charge Powered by a robust 4000mAh 7.4V battery, this foam sprayer runs continuously for up to 1 hour per charge, allowing you to clean around 20 standard-sized vehicles without interruption. Perfect for full washes, detailing sessions, or long garden tasks. Battery is built-in and professionally sealed for durability and safety. Adjustable Foam Nozzle Full Control Over Spray & Foam Density Includes two interchangeable nozzles for both foam and water. The foam nozzle allows you to adjust spray direction (horizontal or vertical) and foam thickness for either light mist or dense, clinging foam. The water nozzle delivers a fine mist or direct stream ideal for flexible use across multiple applications.