Light-Bo’s Ultra-Amber 5×7 Square Dot-Matrix LED Display (3mm) is built for elevator control panels. Its vivid ultra-amber glow cuts through dimness, ensuring clear floor/state cues. Compact 3mm design fits tight panel spaces; stable performance handles 24/7 elevator use. Low power, long lifespan, RoHS-compliant. Easy to integrate—ideal for reliable elevator control visibility.