GSM Quad-band; GPS + GSM + GPRS wireless network; High sensitive GPS chipset; Real-time tracking; Built-in GSM & GPS antenna; Built-in ON / OFF power, wide voltage input range; Built-in acceleration sensor for vibration alarm; Support ACC detection, real-time reporting car status; Built-in 450mAh battery for alarm when the power supply is disconnected unexpectedly; Tele-cut off (petrol / electricity) function; SOS button for SOS alarm; Voice monitor function; Built-in CPU, eliminating breakdown automatically; Three LED indicators: GPS - Blue; GSM - Green; Power - Red; Check location via platform; Packing quantity: 20pcs/carton; Carton size: 40.8 x 32.5 x 20.5cm; Gross weight: 9.3kg; Box size: 15.5 x 9.5 x 7.8cm; Net weight: 96g; Gross weight: 425g