ISCO1010 Features: * Adapter * Can be used on spotting scopes, scopes and crossbow scopes * Attach your Smartphone directly to the eye piece of your scope * Hunt with both eyes open and see full screen * Fits eye pieces up to 1.81" * Made in the USA Dimensions: * 9.75"" H x 5.75"" W x 3.75"" D, 0.65 lbs