1).Backsack power sprayer model: 3WBD-25L 2). Battery charge specification:Input voltage: 220V-50Hz  Output voltage:12v/1.7A 3). Electric power: 12V 35w 4). Working pressure: 0.15-0.4MPA 5). Tank capacity: 25L 6). Flow:4.0L/min, but It depended on the nozzle types. 7). Net Weight: 9.5KG 8). Dimension:42cm×29cm×60cm