... the video test PTZ controller CCTV Security Tester BS-CS03Eleven-in-One CCTV security tester Combine the video test, Optical Power Meter ... Fiber Optic Patch Cord , etc.Digital Multimeter, performs AD/DC Voltage, AC/DC Current, Resistor, Conductivity, Capacitor and Diode test.DC12V ... Humidity30%-90%Dimension/Weight112mmx189mmx47mm / 500g BESNT Multi-function CCTV Security Tester BS-CS03