EffectiveThe ultrasonic cat deterrents scare and repel animals by emitting ultrasonic waves, alarm sounds and powerful LED flashing lights. It is very effective in repelling cat, dog, mouse, fox, bird, mink, raccoon, skunk, rodent, deer, boar, etc. Solar & USB Cable ChargingThis is a panel solar on the top of the device, which can be easily charged. The product uses solar power to charge the battery, or it can be charged with a 5-12V adapter for use in heavy rain. Also, you don't have to worry about it getting wet and not working in rainy days because it is IP65. is waterproof Friendly emits infrasound and ultrasonic waves with alarm sounds and strobe flashes to deter animals when the PIR detects and triggers their movement. This repeller can effectively repel animals but will not hurt them, which is humane and harmless. Portable and Easy InstallationIt can be mounted on the ground with the included stake or hung on the wall through the back slot (recommended in broad daylight). This repeller has an infrared sensor angle of 110 degrees. The detection distance is between 20 and 25 feet depending on the size of the animal. Wide CoverageEach ultrasonic marten repeller covers up to 1080 square feet. It is recommended to use multiple devices for even greater coverage. We are committed to providing our customers with the best quality products and the best service. If you have any questions, do not hesitate to contact us