Features: Engineered exclusively for 50 inch LED , the 339 general backlight power supply board delivers seamless compatibility across brands with advanced constant current output technology for flicker easy visuals and reproduction. Featuring plugs and play installation with clear instructions, this energy efficient driver board integrates accuracy heat dissipation components and anti interferences circuitry for stable performances in diverse electrical environments. Ideal for enthusiasts and professional repair technicians seeking stable replacement parts to restores malfunctioning home entertainment systems without expensive upgrades. Perfectly functions in living room setups or repair workshops, maintaining consistent backlight illuminates during movie night, sports event, or diagnostic procedures for screen related power issues. Built with industrial grade capacitors and optimized thermal management, this general LED power board extends display life while reducing energy consumption through intelligent electric regulation. Specifications: Component : PCB Size: about 9x6cm/3.54x2.36inch Product model: -339 Input electric : 12-24V Output electric : 35-180V AUTO Output current: 60mA-420mA Package Includes: 1xBacklight Power Board note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.