RT300M TV LCD LED Backlight Tester Fault Diagnostic Tool for Voltage Testing and Current Data with Smart LED Display       RT300M 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 ~ 265V   Output voltage: DC 0 ~ 300V   Output current: DC 0 ~ 300mA   colour:white   Plug 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:plastic   size:10*5*4cm   Package Contents:   1 * RT300M TV LCD LED Backlight Tester   1 * AC Adapter  Only 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.