HD-A4L is a professional dual‑mode LED multimedia player designed for full‑color LED displays, integrating synchronous playback and asynchronous playback functions in one unit. Built with a powerful quad‑core processor and 16GB onboard storage, it delivers smooth HD video decoding, supporting MP4, AVI, MKV, WMV, FLV, RMVB and other formats, plus images, GIF animations, text, clock, calendar and custom programs. It operates on 12V DC with low power consumption, ensuring stable 24/7 operation for commercial and smart display applications.
Connectivity includes 2.4GHz WiFi with a stable transmission distance up to 30 meters, 1×Gigabit Ethernet for fast program sending and debugging, 1×HDMI IN supporting automatic scaling and picture‑in‑picture, USB 2.0 OTG and USB 3.0 for offline playback and storage expansion, 2×sensor inputs for temperature, humidity, brightness and PM2.5 monitoring, and 2×Gigabit output ports for direct connection to receiving cards. It supports a maximum load of 655,360 pixels, up to 16384×4096 pixels dimension, with wireless screen casting and remote cluster management available. Suitable for shopping mall advertising screens, retail store displays, airport/station information boards, exhibition screens, hotel lobby displays and outdoor commercial LED billboards.
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