Feature:1. Only activate the device when the motion sensor is triggered to maximize its power supply.2. Powered by amorphous solar panels-Solar energy is both economical and environmentally friendly.3. Solar energy means that the product does not require cables or cables-just put it in place and wait for charging.4. The sound includes the sound of eagles, firecrackers, artificial sounds and the crying of other animals.5. Suitable for electric pole towers, towers, substations, farms, orchards, fish ponds, warehouses, large workshops, food processing plants, etc.Specification:Material: ABSSpeaker: Ultrasonic waves to drive out pestsPackage List:1*Ultrasonic Bird RepellentNote:1. Manual measurement, please allow 1-3mm error, thank you.2. Due to the differences between different monitors, the picture may not reflect the actual color of the item. We guarantee the same style as shown in the picture.