The attractive A1 Call Box combines a unique design with rugged durability. It's field programmable to allow voice messages to be easily changed for special events. This solar-powered Call Box mounts on a wall, PVC or aluminum stanchion. The aluminum enclosure has a white powder-coating, is .090 inches thick and measures 13"H x 9.5"W x 6.5"D. Perfect for indoor and outdoor use, this Call Box provides protection against dust and falling rain. It includes an antenna and set of small reflective decals.