The RS3.9 is a high-end slim indoor rental LED panel featuring a 3.906mm pixel pitch and 1000 nits brightness. It has an ultra-slim 68mm depth with optional 500×500mm or 500×1000mm cabinet sizes. This panel supports fully front and rear maintenance with professional curved connectors (0°, ±3°, ±6°). Weighing 7kg for the 500×500mm cabinet, it includes universal hanging and stacking bars, double safety design with module and power fuses, and compatibility with Novastar & Brompton control systems. Optional solutions include mask, GOB, dark coating, and board coating.