... GSM vehicle mini gps gsm tracker for all the world use Google map free software GPRS the products model :wtd-a012wmain function1. ... national 3C, explosion-proof, CE, ROHS certified2.Dual built-in antenna design, waterproof ,dustproof anti-corrosion and anti-interference3.Support ... positives, Five levels adjustable6.Phone lock the vehicle/car, just such as put the car in your pocket, Anti theft and do ...