The Heys Smart Luggage® is a fully-connected luggage that delivers a seamless and complete travel experience for today’s modern and tech-savvy traveler. Powered by 2x AAA Batteries, and fully approved for Check-in (Does not use Lithium-Ion batteries) Developed with the Heys Smart Luggage® app which allows you to control three key interactive luggage functions through your Apple or Android phone device: - Smart Handle with an integrated scale for weighing your luggage - Bluetooth Smart TSA Lock to remotely lock or unlock your luggage - Proximity Alarm alerts you when you’re a distance away from your luggage Heys Smart Luggage® app is available in 8 languages: English, French, German, Arabic, Korean, Spanish, Chinese, Hebrew Luggage is made from pure 100% Polycarbonate for the ultimate lightweight, durability, flexibility and impact resistance Elegant fully lined interior with buckled compression straps, and a zippered divider featuring a large mesh zippered pocket 360° Dual Spinner wheels for smooth and fluid movements with your luggage Stylish, lightweight red-accented aluminum multi-height trolley handle with Smart Luggage® logo Material: 100% Polycarbonate Dimensions: 21" x 15" x 9" – 53cm x 39cm x 23cm Weight: 21" – 6.2 lbs – 2.8 kg Volume: 21" - 42 L Wheel: 360° Spinner wheels Battery: 2x AAA Batteries (included with purchase) Warranity: 10 years, 1 Year Warranty on electronic parts