The skylight opens a window to the heavens within the roof, drawing pure daylight vertically into the interior. The previously dim attic space is thus imbued with the interplay of light and shadow as time flows by; looking upward, one's gaze passes through it, reaching directly toward the sky. The roof inspection port is made of metal, which is lightweight and has strong load-bearing capacity. Internally and externally painted, the surface is baked at high temperature, with uniform gloss, brightness, and thickness, and is not easily faded. It can not only be used as attic skylights, escape routes, basement exits, emergency entrances, wellheads, cellars, and manholes, but also for home decoration, industry, commerce, schools, and more It can effortlessly push the roof vent access door and also allow the cellar door to hang stably when open, preventing the lid from suddenly falling off This type of roof safety door can not only be used as an attic skylight cover, but also as an escape cover, basement exit cover, emergency passage cover, cellar cover, and manhole cover. The surrounding frame is embedded with sealing strips, effectively blocking rainwater from entering, providing sound insulation, collision prevention, waterproofing, and durability., Manufacturer: JUSKAQZYI