RT300M TV LCD LED Backlight Tester Fault Diagnostic Tool for Voltage Testing and Current Data with Smart LED DisplayRT300M Backlight Tester Fault Diagnostic Tool is designed for TV LCD LED backlight testing.You can get its real voltage and current data with its digital display screen.Smart identification between lamp bead and light bar, anode and cathode, which protect the lamp bead from burning out After finishing test for 30S, enter sleep mode without electric shock,short connect the probes to wake. Available for smart and infinite adjustment at 300mA wide current range Short connect probes for 3S, adjust the maximum constant current value at 1-300mA.Input voltage: AC 90 ~ 265VOutput voltage: DC 0 ~ 300VOutput current: DC 0 ~ 300mAcolour:whitePlug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on.Plug Type: US Plug, it applies to Canada, India, Japan, Mexico, Thailand, Taiwan, the United States, the Philippines and so on.Material:plasticsize:10*5*4cmPackage Contents:1 * RT300M TV LCD LED Backlight Tester1 * AC AdapterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.