Type:Sprayers Place of Origin:Henan, China Brand Name:St.Rosen Model Number:ST18AS15BQL Sprayer Type:Knapsack Material:plastic Plastic Type:PE Usage:Garden Pump:diaphragm big pump(18V) work pressure:4.5~6.5bar motor speed:two speed Battery Voltage/capacity:18V/5.2AH Battery Type:lithium battery charger:21V/3A charger time:1.5H continue working hour:90~160min pump life:1000H