Solar-powered ultrasonic cat and mouse repeller with adjustable sensitivity and frequency, suitable for outdoor use 1. Outdoor use - It has USB and solar charging options, so it can be used outdoors for a long time. 2. Safe and environmentally friendly - Our product won't harm people, there are no traps, no dead animals - you just need to scare the animals and they will disappear. 3. Multiple frequencies adjustable - Select the correct mode according to the instructions (Note: This is for reference only. Please find the most suitable mode for you in actual use). 4. Range - The motion detector of our product covers an arc of 120 degrees left and right and a distance of 8 - 9 meters. It starts working as long as the animal is in front of the device. 5. Hang or stick on the ground - You can hang the device on the wall or stick it on the ground, but make sure the sensor ring is not exposed on the ground.