1. Die cast aluminum casing, lightweight, 40% lighter than iron casing, reduces steel frame costs, and saves labor time during installation.staroe StarOE|XD XE P2.976 P3.91 P4.91 P6.25 P4.44 P5.71 P6.66 P8 P10.4 2. Integrated die-casting structure, reinforced ribs, ultra flat splicing, no deformation at high temperatures. 3. Good thermal conductivity, natural heat dissipation without the need for fans or air conditioning, stable operation under strong sunlight. 4. The surface has undergone anodizing anti-corrosion treatment to prevent rain, coastal salt spray, and acid rain. 5. IP65 fully waterproof and dustproof silicone sealing strip, suitable for all-weather outdoor use. 6. Front and rear maintenance, convenient and faster module, the power and signal lines of the box are connected with aviation plugs, simple and safe