LED TV Backlight Tester Features: Compact and well-designed, this tester automatically adapts voltage, prevents short-circuit 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. Locate damaged LEDs efficiently and proceed with replacements as needed. Built-in transformer insulation provides protection against heat, cold, and electrical hazards for safe operation. Suitable for all series of light panels and LED strips, serving as an essential diagnostic and maintenance tool for technicians. Can be used for extended testing without damaging LED components. Note: Installation guide not included. Professional installation is strongly recommended. Please verify compatibility before use. Product updates may occur across different batches, resulting in minor variations in appearance or color, which do not affect functionality. Plug Type: EU Plug (compatible with countries such as Indonesia, Germany, France, Spain, Italy, etc.) Input Voltage: AC 220V Color: As shown in images 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.