Marolex RX 12L 12V Backpack Sprayer Electric Wasp Killers based on what you have

based on what you have said below

220V AC /50Hz(Optional)

there are no residues to affect their establishment

The Scare-Eye Balloon inflatable frightener has proved to be very successful at scaring birds in all types of situations

The noise and water spray is enough for the animals to avoid the area in the future

Marolex RX 12L 12V Backpack Sprayer Electric Wasp Killers based on what you haveThe Marolex RX backpack is a quality 12 litre rechargeable sprayer featuring a 2. 2 l min 12 volt pump that gives 55 psi of spraying pressure and up to 6 hours of continuous use. The ergonomic design features padded straps and a light weight stylish profile. Typical uses include: Garden spraying Orchid spraying Vegetable spraying Horticultural spraying Weed control Pest control Industrial spraying Municipal spraying Contracting Specialised cleaning