Description: 【Product Dimensions】: This deer whistles for cars, anticollision device, measures 2x6cm, making it compact and easy to install on any vehicle. 【Package Contents】: Each package contains 2 pieces of the deer warning whistles. This allows you to equip multiple vehicles or have a spare on hand. 【Effective Animal Deterrent】: The save deer whistle is designed to deter various animals including deer, preventing them from approaching your vehicle and reducing the risk of accidents. 【Easy Installation】: The compact size of our deer whistle allows for easy installation on your car without professional help. It can be mounted in minutes with no special tools required. 【Safe and Humane】: This animal anticollision device does not harm animals in any way; it simply uses sound waves that are unpleasant to them to keep them away from your vehicle, ensuring both your safe and theirs.   Specification: Material: PP Size Chart: 2x6cm/0.79inchx2.36inch Package Includes: 1 Pair Deer Whistles  Note: Please allow slightly errors due to manual measurement and different monitors.