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 for quick fault detection without disassembling the screen. Offers stable performance and reliable operation. Output Voltage: 0-300V, 0-19V dual mode Output Current: 20mA-50mA constant current Introduction: LED TV backlight issues are increasingly common. This tool enables efficient testing of LED backlights without removing or dismantling the screen, saving time and effort. With automatic voltage and current regulation, it quickly identifies faulty LEDs on strips. If a defect is found, users can replace the damaged LED or strip accordingly. The built-in transformer features insulation protection against heat and cold, helping safeguard users from electrical hazards. Suitable for various light panels and LED strips, this tester is an essential diagnostic and maintenance tool for technicians. 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 due to ongoing updates. These variations do not affect functionality. Plug Type: EU Plug (compatible with countries such as Germany, France, Spain, Italy, Indonesia, and others) Input Voltage: AC 220V Color: As shown in images Material: Plastic Package Contents: 1 x LED TV Backlight Tester Please note: Other items not included. Lighting conditions and display settings may cause slight color differences between images and actual product. Measurement tolerance: 1-3 cm.