■Comply with CCS standard, the main performance index as follows

■Power supply :AC110V/AC220V  50/60Hz

■Damping period of the needle less than 3s.

■The rudder angle indicate within a range from p 55°to S 55°(or customer designed scale)

■Indicate accuracy :＜0.5°

■At a distance of 1.5 meters can read the indicated value clearly.