Product name 15L Portable Backpack Disinfection Sprayer 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 Battery cycle life 1000cycles Tank Capacity 15L(4G) Liquid Flow 2.2~2.5L/min Liquid Output: >220L Spray Distance >10M Nozzle type Cooper nozzle Hose High pressure hose/1.5m length N.W./G.W. 6.1/6.8kgs Packing Size 35.5*26*56cm