1.RESET switch, Relay,2 warning stickers 2.Shock sensor, Connection apparatus ... 4.Remote controller One way car alarm siren system kit1.RESET switch, Relay,2 warning stickers2.Shock sensor, Connection apparatus3.6sound ... .installation Manuel· Main unit:2 pcs fashionable remote (433.92Mhz)· RESET switch; Relay; 2 warning stickers· Shock sensor; Connection apparatus· 6sound ...