Is Discontinued By Manufacturer :No Package Dimensions :2.3 x 2.1 x 1 inches; 0.32 Ounces Item model number :SEN0098 Date First Available :April 1, 2013 Manufacturer :DFRobot ASIN :B0187AAOMS Arduino interface compatible Output voltage proportional to AC or DC currents Factory-trimmed for accuracy Nearly zero magnetic hysteresis