1.The single box is the lightest 8.0 kg, easy to carry and can better adapt to various installation environment;
2.True full-front maintenance, no need to reserve 70% of the space for maintenance channels, maintenance only need to replace the unit board, not replace the box;
3.Cast aluminum frame box, rigid, not easy to deformation, more accurate splicing;
4.Seamless stitching, the overall picture, viewing experience more comfortable。
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