The DS-1 is a digital scale purpose-built to accurately weigh bikes frames wheels and components. Its unique design is able to be clamped into a repair stand or hung from a hook or branch. The silicone-coated double-armed hanging hook can securely support up to 55 pounds 25 kilograms. The large LCD display shows weight in kilograms or pounds and measures to +/- .02 kilograms or 1 ounce. DS-1 FEATURES Resolution: .02 kg 1 oz. Weight limit: 25 kg 55 lbs. Requires 3 AAA batteries not included