Shenzhen Visson Technology Co., Ltd products

Four random vibration modes.  Solar powered, rechargeable batteries included.  Charging by solar automatically, one solar full charge will last up to 5 days. Poison-free way to drive away snakes and rodents. Operates in a circular pattern, approximately 65 ft in semidiameter, effective coverage is up to 7,500 sq ft. IP67 waterproof design, can use in deep water, not just the rainy days. Will not harm pets.

Emit high-frequency ultrasound 3 seconds in every 20 seconds.  Solar powered, rechargeable batteries included.  Charging by solar automatically, one solar full charge will last up to 5 days.  Poison-free way to drive away snakes and rodents. Operates in a circular pattern, approximately 65 ft in semidiameter, effective coverage is up to 7,500 sq ft. Will not harm pets.