6Pcs Ultrasonic Car Alert Whistle Warning for Wild Animals, Wind Powered Sounding Repeller Alarm Product Introduction: Material: The device is made of high-quality plastic. It can withstand extreme outdoor temperatures, and the adhesive will not damage the bumper. Practical design: Designed with consideration for animals. Uses natural wind, ultrasound, and physical phenomena to deter various animals. Protects animals from harm and does not disturb people. Easy to install: Simply remove the adhesive backing and stick it on the front bumper or grille of the vehicle. Easy installation without drilling required. Can be installed on all types of vehicles. Safe animal repeller: Repels animals that are sensitive to high-frequency noise, such as deer, dogs, and cats, helping to protect wildlife and reduce the risk of accidents. Package Included: 6Pcs Ultrasonic Car Whistle Warning Note: 1. Please allow 0.5-1 inch difference due to manual measurement. (1 inch=2.54cm) 2. The color of the actual items may be slightly different from the listing images due to different computer screens. Thank you for your understanding.