HD united development team is always in touch with the leading technologies in the world.Our products have 10 core strengths

1.5 year warranty
2.Leading-edge Military technology
3.Patented GPS design, vehicle OBD not needed
4.Universal design, but also provide brand vehicle specific parts
5.Rear passenger traffic alarm, increasing safety
6.Adjustable warning chime
7.Adjustable “speed control”
8.Universal joint mounting bracket, suitable for any vehicle shape
9.Sensors are water proof up to lp67 standard
10.Self-adjusting indicator light