Animal repellent cat is powered by solar energy and does not need batteries, it is suitable for places exposed to direct sunlight for a long time. When the LED is red, it means that the device is working! When the insect repellent keeps making noise but has no repelling effect, please let the insect repellent absorb solar energy to charge in time! Solar ultrasonic cat repellent for garden animals and farms.Before using it for the first time, please put the insect repellent in the sun for 7-8 hours to absorb enough solar energy to operate the equipment. Install repellent animal ultrasonic in a place where animals often move and in the direction animals often come. Maximum detection range: 5-9M meters, infrared range: 110.Special attention: please keep the insect repellent and the animal in the same horizontal position, otherwise there will be no repelling effect! IPX44 waterproof outdoor animal repellent cat can be installed (yard, garden, farm). Note: Although it is waterproof, it is not recommended to be placed often on rainy days. Compared with other animal repellents, our ultrasonic cat repellent has a range of sound waves beyond the range of human hearing and will not cause noise pollution.