The RSS2ULTRA is engineered for higher-output lighting demands. Its aviation-grade aluminum frame provides excellent heat dissipation and structural strength, and — like the RSS2 — has passed over 200 hours of salt-spray testing for coastal and harsh-environment use. The integrated, screw-free housing ensures fast installation and a clean aesthetic. A dual-chamber design separates the battery and LED compartments for enhanced reliability. With a more powerful light source and larger battery capacity than the RSS2, the RSS2ULTRA handles main roads, plazas, and other high-brightness applications.