Feature:1. GOOD COMPATIBILITY: Adjustable output voltage and output current, high brightness and high voltage output, compatible with LED lamps, LED strips, LED panels, integrated optical LED lamps and other panel lighting2. INTELLIGENT TO PREVENT BURNOUT: Displays output voltage and output current, voltage and current adjustment. Automatically adjusts to the number of LED lights to avoid burnout3. EASY TESTING: Supports capacitor voltage and diode voltage testing. You can test the LED strip without removing the panel, which can save a lot of time4. SAFETY PROTECTION: Double (hot and cold) insulation. Safety design with slow boost, soft start. Increase current steadily. Gradually brighter light protects your eyes5. EASY REPLACEMENT: With automatic voltage and current regulation, this LED TV backlight tester can find broken LEDs on light strips in seconds. If there is a problem with the LED light strip, you can replace the broken LED light bead. The perfect tool for inspecting and maintaining backlights for all sizes of LED TVsSpecification:Item Type: LED TV Backlight TesterModel: CB250Material: ABSOutput Voltage: DC 0-230VOutput Current: DC 0-25mAPackage List:1 x Tester2 x Test Pen1 x Cable1 x User Manual