... CCTV PTZ camera tester 2. with PTZ controller and digital multimeter 3. UTP cable tester and video tester ... DC Current, Resistor, Conductivity, Capacitor and Diode test.DC12V power outputAudio inputAdjustable brightness, contrast, color of LCDVideo Level testing, ... work for 12 hoursLow ConsumptionSleeping mode, display battery power stateOther ParametersWork Temperature-10°C---+50°CWork Humidity30%-90 ...