Function Warns wildlife away from you, only animals can hear the alert Hardware Includes self-adhesive tape on bottom or mount with screws Unit & Package Sold by pair, carded for display Part No. Description 81990 Black 81991 Chrome Part No. & Image Selection Ultrasonic Animal Alert Part No.: -- Please Select -- 81990 81991 Combination of product variants is not available Updating... Related Products Chrome Two Piece Rear Light Bars with 4″ (6) Round Lights Boot Caddie with LED Marker & Clearance Light Black Steel Single “L” Shape Mounting Brackets with 4″ Sealed Lights Stainless Steel Rear Center Light Panels with Backing Plate and Oval (4) & 2.5″ (3) Round Lights Cone Front Hub Cap Smart Dynamic Sequential LED Light Bar