High-quality dual function sprayer suitable for a wide range of agricultural and horticultural uses. The sprayer is designed to be robust and easy to maintain and features an internal piston pump and pressure cylinder for maximum protection and Each device is fitted with a 12-volt battery. It is lightweight and comes with adjustable spray nozzle and a battery charger, comfortable shoulder straps, a waist strap for ease of extended use and filter for safety of filling operations and a 16-liters tank designed so that it is held away from the operator's back for both increased safety and comfort.