Simpler and more modern technology (most recent design compared to major competition) grants better reliability and less down-time for the end user. LEDS - LEDS on the head inform the operator when adjustment angle is within specification range. BLUETOOTH Faster and more reliable data transmission through Bluetooth (radio can be a problem on large vehicles). 4 REMOTE CONTROLS significantly higher income production through superior efficiency much faster operating times without any loss of accuracy simpler system to learn, less training time involved