ITEM NAME:4 Pcs Save A Deer Deer Alert For Vehicles Black Deer Whistles Deer Warning B8H9 4 Pcs Save A Deer Deer Alert For Vehicles Black Deer Whistles Deer Warning B8H9 They are made of High-quality plastic.Can resist extreme outdoor temperatures.The self-adhesive won't harm the bumper.The deer whistle is working at the wind speeds above 35 mph,when it working the deer will turn and run away without being harmed. ust remove the adhesive back and affix the deer alert whistles to the front bumper of the vehicle.Not need electricity!The deer whistle wildlife warning devices compatible with all Car,SUV,Truck,Motorcycle and ATV.Save a deer! Place two deer wildlife warning devices on the front bumper of each vehicle.It emits a safe ultrasonic deer warning sound.Deer will hear it and run back into the woods.Auto deer whistles will alert animals up to 0.25 mile away of your approaching vehicle.The deer alerts provide safety for you and your passengers. The ultrasonic sound is inaudible to humans or pets inside the car.The deer whistle work on extreme heat and sub-zero temperatures.Mounting positions for vehicles must always provide for maximum airflow into the whistle.It should provide for the sound to project out of the warning device toward the animals. You can mount them on the top of the hood as far forward as possible.Behind grill;in the grill;on the end or sides of bumper;on the inner rim of headlights. Color:Black Material:plastic Size:5*3.5*2cm Package Contents: 2 * open drive 2 * closed drive
