Product Dimensions:4.3 x 1.8 x 4.3 inches Item Weight:13.1 ounces Shipping Weight:12.8 ounces (View shipping rates and policies) ASIN:B00DVZYCZA Item model number:HX-RD15M Customer Reviews:4.4 out of 5 stars 191 customer reviews 4.4 out of 5 stars Best Sellers Rank:#33,320 in Automotive (See Top 100 in Automotive) #693 in Automotive > Interior Accessories > Antitheft Date first listed on Amazon:July 26, 2013