1.with the laser alignment,
2.vehicle headlamps semi-automatic detector, instrument by high-performance microprocessors as the

Main Features and Specifications

QD-300A Computerized Automatic Headlight Tester is a kind of instrument designed for automatic following of the trace of optical axis and automation of headlights being tested. It sir internally equipped with AC servo driving motor for accurate control and reliable operation. With microcomputer in accurate control and reliable operation. With microcomputer inside for data processing and automatic control ,the test and inspection for fault , it can automatically check five main control units ,so as to ensure normal operation of the instrument .High-brightness digital display ,which is dear and definitive. The instrument can automatically enter into the luminous area of headlight ,automatically follow the trace of optical axis, automatically test and transmit data. Equipped with RS-232C digital serial communication interface, this  tester effects digital transmission . It is presently an ideal headlight tester in practical use.

Main Technical Specifications