Designed specifically for bicycles, backpacks, luggage and any other outdoor or sports equipment, Feedback Sports' Expedition Digital Scale is a precise instrument that weighs in 20-gram increments up to 110 pounds (50 kg.). Simply hit the mode button to read the measurement in kilograms, ounces or pounds. And there's a zero/tare button for accuracy. This handy scale can be held or hung from a hook by its sturdy web strap. It's ruggedly constructed with a shock-resistant housing, while its vinyl-coated hook won't scratch your bicycles or gear. The required 4 AAA batteries are included.