motor alarm,alarm whistle,motorbike alarm/police whistle motor alarm,alarm whistle,motorbike alarm First ... class technology,int motor alarm,alarm whistle,motorbike alarm/ police whistleSpecifications:First-class technology, integrated design, speakers together with ... and user friendly software designCompatible with 12V,36V, 48V electric carWorking voltage :9-16v Static current: 20mAVoice: 100dB ...