Solar Powered & USB DC Charging: The solar warning light built-in high quality monocrystalline silicon, it is recharged by sunlight. No wires needed, easy to install, just hang the solar strobe alarm where get enough sunlight. Also supports USB interface charging. Loud Siren & Large Motion Sensor: The decibel of the solar alarm light is up to 100dB, the motion detection range is 5-8m, the detection angle is about 125 degrees. When the motion sensor detects any movement, the 100dB loud alarm will be activated to emit sounds of shooting and barking your dog, protect your home and farm away from animal thief to provide you with a safer living environment IP65 Waterproof: Our solar warning strobe light is made of high quality ABS material, waterproof and durable, withstands all kinds of terrible weather all year round. Widely Uses: This warning light is perfect for outdoor use such as orchard, pasture, house, farm, barn, villa, yard, fence, factory and anywhere you need a security alarm.