TK103B+remote control+shake sensor+siren GPS SMS GPRS tracker google maps real time tracking system

- Shock sensor: NOT working.- Siren: NOT working (gps module does not send signal to siren).- Remote control: NOT working.- Ignition disabling: NOT working.- ACC off: NOT working....Plus I spent $50 installing it.- ONLY thing working: GPS tracking.Tried lots of searches in Google, forums, Youtube, etc., but this just won't work properly.How do I get my money back???

Excellent procuct

It was a grate unit till the circuit bord burnt up. I'm not happy at all. Worked for 8 months. Thin it took a s***

this unit is working fine in my region, the Caribbean