Hand Skylight, Clear Roof Window, 51 56 61 64 66 71 76 81 86cm Customized Multi-angle Roof Ventilation Hatch, Attic Basement Glass Viewing Window, Residential Emergency Egress Roof Windows(34"x30"/86x

Multi-function Viewing Window : Not only can it provide convenient roof access for factories, warehouses, workshops and so on. It can also be used as attic skylight cover, escape hatch cover, basement exit cover, emergency access cover, darkroom light window, sunroom ventilating window, and so on Secure Interior Control : With the 90° rotating handle, you have complete control over the rooftop access cover from inside. It prevents external unauthorized entry, providing a secure passage to your rooftop and safeguarding your valuables Robust and Light-Filled : Constructed from an aluminum alloy frame and transparent tempered glass. Resistant to water damage and rust, it maintains its shape over time. The clear glass floods your space with natural light, transforming dim rooms into bright havens Rain Protection : Our roof skylight cover frames are embedded with rubber seals that form a rain barrier to prevent water leakage. It also enhances sound and thermal insulation, creating a peaceful and comfortable outdoor environment Easy to Operation : The attic skylight cover has a pneumatic hydraulic lever that makes opening and closing effortless. It slides quietly, stays open between 0 and 80 degrees for easy access for maintenance personnel, is shock absorbing, and prevents pinched fingers