https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.bearwatchsystems.com/&ved=2ahUKEwje6fnG6Lr7AhXRMewKHRwGD1EQFnoECA8QAQ&usg=AOvVaw0uDS-w7fDHFSpQ8GI_YvNX

Something like this. High voltage systems if it scares bears it will do with other animals. 😉