3.5 "Multifunction CCTV tester with Multimeter and optical meter 1. CE, FCC, ... 3. PTZ 3.5" TFT-LCD CCTV Tester with multimeter and PTZ controllerApplication:1.CCTV system installation and maintenance2.Dome camera and ... Power MeterWavelength850, 1300, 1310, 1490, 1550, 1625nmDetectorInGaAsLinkerFC/PC(SC, ST)Measurement Range-70~+10dBmDisplay Resolution0.01dBDigital MultimeterReading range-6600 ...