1.Multi coin acceptor, up to 5 groups’ settings.. 2.Digital setting and display (Balance and coin value). 3.Power on self test function and digital display fault codes. 4.Memory storage function, a memory is never lost. 5.Inhibit function, easy control and free switch. 6.Dual-core processing chip, strong recognition, anti- counterfeit coin, correct scoring. 7. Ratio adjustment function, can adjust between one coin multi points or multi coins one point (Ratio up to 99:1). 8.Special precision/coin time switch (LED display), inserting coins more smoothly, high compatibility.