LED TV Backlight Tester Features: Compact and well-designed, this tester automatically adapts voltage, provides short-circuit protection to prevent damage to LED beads, and allows easy fault detection without disassembling the screen. Offers stable performance. Output Voltage: 0-300V, 0-19V dual mode Output Current: 20mA-50mA secondary constant current Introduction: LED TV backlight issues are increasingly common. This tool eliminates the need to remove or disassemble the screen when testing LED backlights. Quickly identify faulty LED strips with automatic voltage and current regulation. Save time by testing without full disassembly. Locate defective LEDs efficiently and replace only the damaged components. Built-in transformer insulation offers protection from electrical hazards and extreme temperatures, ensuring safe operation. Suitable for various light panels and LED strips, making it an essential diagnostic and maintenance tool for technicians. Can be used for extended testing periods without damaging LED beads. Note: Installation guide not included. Professional installation is strongly recommended. Please verify compatibility before use. Product updates may occur; slight variations in design or color between batches are possible and do not affect functionality. Plug Type: EU Plug (compatible with countries including Germany, France, Spain, Italy, Indonesia, etc.) Voltage: AC 220V Color: As shown Material: Plastic Package Contents: 1 x LED TV Backlight Tester (Other items not included) Note: Lighting and display differences may cause slight color variation between image and actual item. Measurement tolerance: ±1-3 cm.