... :1, Adopt import mechanism, 12V motorcycle alarms can be configured to any brand of motorcycle.2, High Elf min, sealed ... Anti-intellectual logic of the second special response security, foolproof.9, Built-in microcomputer to prevent the decoding system scan, ... : <10AFrequency: 315.5MHz, 433.92MHzAlarm sound:125dB Packing:1.Motorcycle Security Alarm System2.User Guide - English 3.2Key chain remote ...