it comes with power wires and four screws . thickness:1.7mm-2.2mm Coin diameter:22-28mm type:CPU Comparative Series: Side Coin Authenticate:CQC CE RoHS Coin put: O.C open: NO/ close :NC Stopwatch: support Coin out function:support Pulse conditioning:three sections can be adjusted(25ms 40ms 100ms) Recognition:material and size can be supported. Anti-fishing features:support. Fast cast features:unsupport. Intelligence:support(with LED) Opening function:support (can open 130º in side )