LED TV tester Features: Compact and well-designed, automatically adapts voltage, protects against short-circuit damage to lamp beads, allows easy fault detection without disassembling the screen, and ensures stable performance. Output voltage: 0-300V and 0-19V dual mode. Output current: 20mA-50mA with constant current regulation. Introduction: LED TV backlight issues are increasingly common. This tool enables testing of LED backlights without removing or disassembling the screen, saving significant time. The LED backlight tester quickly identifies faulty LEDs on strips using automatic voltage and current adjustment. If an issue is found, the affected LED strip or individual bead can be replaced. Equipped with transformer insulation that provides protection from heat, cold, and electrical hazards for safe operation. Compatible with various light panels and LED strips, serving as a reliable diagnostic and maintenance tool for professionals. Designed for extended use without damaging LED components. Note: Installation guide not included. Professional installation is strongly recommended. Please verify compatibility before use. Product design may vary slightly between batches, including minor color or appearance differences, which do not affect functionality. Plug Type: EU Plug, suitable for use in countries including Germany, France, Spain, Italy, Indonesia, and others. Voltage: AC 220V Color: As shown in images Material: Plastic Package Contents: 1 x LED TV Backlight Tester Please note: Other items not included. Note: Lighting conditions and monitor settings may cause slight color variations between the product image and actual item. Measurement error allowance: +/- 1-3 cm.