Volcus VC310 3-in-1 Smart Suitcase Luggage Travel Belt Strap w/TSA Approved Combination Lock + 77lb Capacity Digital Scale + Adjustable Strap Up To 78", Concise Design for Safety Protection (BLK) SIMPLIFY THE WAY YOU TRAVEL - Conveniently hook the built-in hidden slim profile scale of the security belt on your luggage or suitcases at any location for instant and accurate reading of weight measurement to save time and avoid the trouble of overweight fee on-the-go. 3-IN-1 SMART LUGGAGE BELT, TSA COMBINATION LOCK & SCALE FUNCTION - With peace of mind TSA approved technology, VC310 combines three extremely useful travelling tools into one product, which makes it easy to pack, easy to lock, and easy to weight. INTUITIVE CONFIGURATION - Adjustable strap up to 78 inch in length allows universal compatibility to most luggage & suitcases. Reversible large digital display for maximum convenience. One button simple control to instantly change weight unit measurement between pound (lb) and kilogram (kg) weight. SAFETY LOCK PROTECTION - Integrated with TSA approved combination lock offers an extra protection for the safety of luggage and the most important valuables, effectively allows TSA security inspection at ease for suitable uses across US airports, boarders, and more. PORTABLE, LIGHT WEIGHT, & CONCISE DESIGN - VC310 weighs only 6.8 oz and it fits in small spaces without adding excessive weight or compromising the slim fit sleek profile, concise design, stylish looking, portability and security.