GPS Car Tracker TK-918 big Battery Anti-theft Real-Time Tracker No Subscription
Waterproof IP67 & Powerful Magnetic: It has built-in powerful magnets, and can be very easily installed. Loosing Alarm: there is an anti-removal induction sensor on the backside of the device. Chip: UBLOX, GSM/GPRS module, SIMTK6260D.