 SCP-390 is the remains of a large mechanical device, handcrafted and primarily composed of wood, rubber, and other organic materials with metal fixtures and fittings. The remaining intact section of the device consists of a large aiming mechanism topped with a heavy sealed housing containing multiple large glass lenses, as well as several components that have yet to be identified. An operation on SCP-390 performed after years of careful restoration has shown that the device is capable of generating intense heat, causing water to vaporize, and flammable materials to ignite within seconds.