ELGON Magnar 20L Battery Operated Knapsack Ideal For Disinfectants & Agrochemicals Applications: - Dual Option - Battery Operated as Well Manual Operation - 20L Tank Capacity - 12V / 8Ah - 3Lances - Intelligent Pump - Trigger On/Off - Telescopic Brass/Steel Lance - Ergonomics Design/BackPad Comfort - 5 Nozzles : A) 5 Holes Hooded Nozzle B) 8 Holes Hooded Nozzle C) 2- Head Angular Nozzle D) 1- Head Angular Nozzle E) 4 - holes Yellow Nozzle as Well Manual Operation