YINGHAO Solar Powered RED LED Predator Deterrent Light/Pest Repellent and Control/Guards Against Nocturnal Wild Animals/Farm Garden Pasture Orchard Corral Chicken Coop Light/4 Pack The night guardian is a long-lasting predator deterrent device, powered by solar, with 2 LED constantly emit red flashing light that resembles the eyes. It effectively keeps the wild animals away and protects the garden and livestock. Night guardian utilize the solar energy during the day, store the power in the rechargeable battery, and emits red warn light during the night. So please install this light at the places that has sun exposure! Wild predators are very watchful about the environment they are in, two red flashing light, which looks like the eyes are blinking, will make them feel that this place is not safe and run away. RED light can be seen as far as 800-1000 meters away if without any obstacle. Red light is vivid and strong. The light covers an area of 800-1000 meters long and 250 meters wide with an angle of about 60 degrees. Adjust the angle of the light according to the terrain. Position the device at the eye-level of the animals. To reach maximum protection we recommend to use multiple devices to cover the 360 degree area. The product can turn ON and OFF automatically. Charge in the sun for 5 hours, the light can last up to 12 hours in the night.