• Solar Panel: Single, top-mounted unit in constant horizontal position• Lamp: Fully sealed, 5" PAR 46 LED with high-impact plastic hoods• Autonomy: 30 days of continuous operation without sun• Sign Panel: Full-sized 48" x 96" all-aluminum construction, sealed against the elements• Controller: Solid-state with durable rotary switch, full-mode configuration and LED display• Main Frame: 2" x 3" x .120" high-grade steel• Axle: 2,000-lb. axle, 1,400-lb. leaf springs, roller bearings and hubs• Tire Size: 205/75D14• Maintenance Access Cover: Easy-access design to reach batteries, controller and battery charger in a lockable steel enclosure• Removable Tongue: Designed for safety and security• Hitch: 2" ball standard. Pintle ring available as an option• Battery Charger: Each unit is available without a battery charger. Frequent use of an AC charger will prolong battery life• Finish: Durable powder coat paint• Mast: 3"x 3"x 3/16" steel tube assembly