Brief Technical Data: Name: Electrical Sprayer Model: 3WD-161 Tank Capacity (L): 16(max.18) Net Weight (kg): 5.5 Membrane Pump: DC12V/1.5-2A Battery: AC12V/7-9AH Battery Charger: AC100/260V Automatic Saturation Working Pressure (MPa): 0.15-0.4 Working Mode: intermittent Product Size (mm): 345×225×510 Package Dimensions L×W×H (mm): 380×260×576 Package Volume (Cubic Meter): 0.06 More Technical Data: Charger Specification: A: Input Voltage: AC110V-260V-50HZ B: Output Voltage: DC 12V 1.3A Electric Power: 12V 25W Nozzles: Comes With 3 Different Nozzles DC Motor Speed: 2800-3200 R/MIN DC Motor Diaphragm Pump: 12V 1.5A-2.1A Working Pressure: 0.15-0.40 MPA Usual Storage Battery Specification: 12V/7-9AH Spray Capacity: Single nozzle spray: 1.5-1.6L/MIN Double nozzle spray: 1.8-3L/MIN Continuous Working Time: 8AH battery: 4.5 hours 9AH battery: 6.5 hours (This is based on single jet nozzle spraying, longer time if two nozzle spraying) Recharge Time: 8-10 hours continuous charge after/ before using sprayer, then stop or use. (If long time no use, please charge one time every second month.) Tank Capacity: 16 Liter (max. 18L ) Tank Material: PE Lance: Fiber glass lance Seals: Chemically resistant seals Straps: Padded Shoulder Straps Hose: high pressure Premium PVC hose Your benefits for buying this Electric Sprayer: 1. Great for a wide variety of applications 2. Many Models Available 3. 18L Heavy Duty Tank 4. Electric Pump is self contained in unit 5. Wide Variety of Spray Tips available 6. On-demand pump 7. Easy to use yet durable