Wonact Marterverjager

This device protects vehicles from damage by martens and other pests using ultrasonic sound, flashing lights, and a loud alarm. It automatically turns on after parking and off during driving, and can be installed in minutes.

• The description claims the device uses ultrasonic sound, flashing lights, and a loud alarm for protection.
• The description claims automatic activation after parking and deactivation during driving.
• The description claims effectiveness against martens, mice, rats, insects, and squirrels.