... channel color bar video signal for testing monitorUTP CABLE TESTUTP cable testTest UTP cable connection state and display in the screen. Read ... MultimeterReading range-6600~+6600AC/DC Voltage0-600V Auto/Manual ranging, 0.1mV resolutionAC/DC Current6.6mA, 66mA, 660mA, 10A Manual ... 66,000μF auto/manual rangeSpecification 3.5 inch TFT LCD Screen MultifucationCCTV Tester with and 12V DC camera power supply