Length 188.3 mm / 7-3/8, crossing angle = 24.3 curve, radius 437.5 mm / 17-1/4 (R2). The double slip switch comes with a manual hand lever, an electric mechanism and a lighted turnout lantern. A turnout decoder can be retrofitted.The double slip switch can be used for left or right installation.The setting for the branch or straight is well-defined. Built-in electric turnout motor and lantern.