Military Grade Quality: IP67 waterproof, dustproof, and high-temperature resistance. Built-in Gravity-Activated LED Lighting: Auto-illumination for low-light accessibility. 80N Hydraulic Struts: Reinforced support with high-thrust durability. Versatile Design: Tie-down channels and stackable construction for transport and storage. Universal Compatibility: Compatible with Rhino Rack, Front Runner, Yakima, etc. Please refer to the installation guide below. Auto-Lighting Interior Motion-sensing LEDs illuminate gear instantly. 200+ hour runtime in total darkness. Smooth Hydraulic Opening 80N hydraulic struts for easy one-handed opening. Pinch-proof design protects. Optional Quick Release Bracket 5-second tool-free roof rack installation. Anti-theft locks deter trail theft. Specs Length: 43.3 in Width: 16.9 in Height: 8.3 in Internal Dimensions Length: 37.4 in Width: 11.2 in Height: 5.6 in Other Specs Package Size: 35.8 in×20.1 in×16.9 in G.W.: 41.2 lb