... . sensitivity adjustable Hot Selling Two Way Motorcycle Alarm System ,learning code,433mhz, small motorbike alarm control box ,CE approved,waterproof main ... No is CD-MT170Motorcycle Alarm System Basic Feature:1.Learning code design.;2. help calling; Anti-hijacking;3.silent arm; ... SystemTechnology Parameter:1.Input Voltage:9-15V;2.Protect Voltage:250 Max VPP;3.Working Frequency:315mhz or 433mhz;4.Static ...