The document provides specifications for the Salter Electronic Crane Weigher, a portable and battery-operated crane scale. It comes in 1/2, 2, and 5 ton capacity models with resolutions of 0.001, 0.001, and 0.01 tons respectively. All models have a 25mm LCD display, waterproof casing, safety hook, and are powered by a single 9V battery. Dimensions and weights vary by model, with the 5 ton unit being the largest and heaviest.