Биоакустический отпугиватель птиц Биозвук Квадро (с одним динамиком)

This device can be remotely controlled and protects up to 1.75 hectares. It features over 700 deterrent signals, adjustable to prevent bird habituation, and is weather-resistant. It operates on 220V or 12-24V battery.

• The description claims the device prevents birds from getting used to deterrent signals.
• The description claims the device reproduces distress calls and predator sounds of various bird species found in Russia.