Snap Space is a lightweight and modular spatial mapping device designed for real-time 360-degree perception. By integrating multiple fisheye cameras with a high-precision IMU, the system achieves full-scene awareness and stable localization even in GPS-denied indoor environments. Its proprietary sensor fusion algorithm minimizes drift and reduces computational demand, ensuring reliable operation with low power consumption. The compact, attachable form factor enables seamless integration with helmets, handheld devices, robots, and other mobile platforms, expanding its usability across navigation, AR/VR, robotics, and smart infrastructure. Built with durable lightweight materials, Snap Space combines portability, energy efficiency, and precision mapping, offering a scalable solution for advanced spatial awareness in diverse environments.