Use GPS technology, without manual operation, sharing the driver labor intensity, safe operation

5HZ GPS technology and external antenna GMOUSE, signal stronger, more accurate positioning

Support u disk upload / download data and automatically detects and update the U disk data

Support set station coordinates, trigger distance and drive direction on Google Earth, do not need Collect points

Electromagnetic interference (EMI) multi-barrier treatment, especially adapted buses loaded gasoline

Each speaker inside and outside the vehicle to support 15W digital amplifier, reducing audio effects, playing without distortion

Support wide range work voltage 10-30V DC