Features:---------(1) Dustproof and waterproof IP66 level.(2) Built-in GSM， GPS antenna， compact， elegant appearance.(3) Support GPS and LBS (Location based service) double tracking solutions.(4) Support SMS/GPRS/Internet Network data transmission (GPRS/Internet instructions includes in CD in package)(5) Support configure the settings remotely(6) Set multiple functions of security， tracking， monitoring surveillance， emergency alarms and management in its entirety.(7) Applications: Used for vehicle and other moving objects trackingSpecification-------------(1) DIM: 8.9*5.0*1.6cm (2) Weight: 65g (3) Network: GSM/GPRS (4) Band: 850/900/1800/1900Mhz (5) GPS sensitivity: -159dBm (6) GPS accurancy: 5m (7) GPS start time: Cold status 45s (8) Warm status 35s: Hot status 1s (9) Car power supply: 12 V -24V (10) Back up battery: Chargeable 3.7V 500mAh Li-ion battery (11) Storage Temp: -40��C to +85��C (12) Operation Temp.: -20��C to +65��C (13) Humidity: 5%--95% non-condensing Package--------1 x GPS main unit GPS1 x 3Pin harness1 x Screwdriver1 x User manual1 x CD