Dear Sir/Madam, Battery Type:Li-ion battery 12V 4000mAh Power source:12V DC from car or build-in battery Electricity:4.5A( Normal) to 7.0A( Max) Running Time:40-50 minutes for one charged Water Tank:17 Liters Spray Gun:Nozzel head,brush head, shower head V Hose:6 M Power Cord:3 M Water Temperature: Show More