Gsm car alarm system Descriptions: 1. Multi-band (850mhz, 900mhz, 1800mhz) 2. Gsm cell phone carrier 3. Led indicators 4. Remote & phone control 5. Tele-listening and speak over the phone 6. 3 alarm phone numbers & 1 sms 7. Trigger prevention 8. Adjustable sensor 9. Alarm when door opened, engine started, etc. 10. Parking reminder 11. Auto-locking system 12. Gsm car locating and seeking (optional) - Parameter: Technical specification: Voltage Working temperature: -20ª-+65ª (centigrade degree) Control distance: 20m-100m Size of mainframe: 134mm*120mm*34mm
