The FJ4401AH LED segment display is a four-digit, 0.4” (10.16mm) cathode (negative electrode) red through-hole display manufactured by Zhihao. It is RoHS compliant, meaning it is made without hazardous materials and is a safe, reliable option for any application. It connects in through-hole form and is ideal for use in audio and instrumentation equipment, office equipment, automobiles, medical devices, communications systems, and other devices.