Features: 1. Great coverage - Dual-speaker design with spread of sound waves for areas up to 5,000 square feet. 2. Solar powered -The top of the insects repellent is equipped with solar panels that can use solar energy . Can also be charged by USB. 3. Miantenace Free - Use of weatherproof and corrosion-resistant material, which is applied to all weather conditions and maintenance free. 4. More accurate - Equipped with an infrared motion sensor to detect animal movements up to 30 feet away. 5. Frequency settings -- we set five-range frequency options for particular animals to balanced power consumption. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Power supply : Charge by USB Infrared sensor cone angle : 110 degrees horizontal, 55 degrees vertically Power: 5W Voltage: 5V Frequency range : 13.5KHz - 45.5KHz Detection distance: up to 30ft includes: Choice 1: 1 x Ultrasonic Animal Repellent, 1 x USB Cable (adapter not included) Choice 2: 2 x Ultrasonic Animal Repellent, 2x USB Cable (adapter not included)