... touch between up and down,power controlled by a microcomputer,LCD screen display,Pulse xenon lamp flash pulse width can be adjusted ... Ceramic reflector cavity;2.Use pure quartz filter;3.Graph display: I-V curve, Pm curve, I curve, V curve, and ... in one testing cycleCONFIGURATION:With the machine, there is 1 computer, 1 laser printer, 1 set of software, 1 Xenon lamp ...