High quality GSM car alarm

Car alarm GSM series 1. GSM common style,four frequently,in-car phone; 2. No service charge, self- control; 3. Comfort and convenient with phone setted in car; 4. Control its door in distance; 5. Telecontrol is delicate and fashionable; 6. Supervise in any time and orient precise; 7. Monitor and call the car delicate and fashionable; 8. Easy to handle with voice indication; 9. Emergency help anti-theft and anti-robbery; 10. Specification: a). Rated Voltage: 12V DC; b).Warning wayAutomatic dialing; c).Warning scopeGSM Network; d).Display Working Temperature: -30 +80; e).PackingWeight2KG More remote controllers are optional,please view our website