1) Tank capacity: 16L, 20L capacity available too.2) Lance: Fiberglass (Brass; Stainless Steel; Telescopic  for option.)

3) Nozzle: Cone Nozzle, Fan Nozzle, 4-hole nozzle or Y-shape nozzle etc. for your different needs.

4) Quick pressure.5) Leak proof! Test with throwing it from 1m high place!

6) Pump: Diaphgram

7) Battery: 12V, 10AH