The AirBolt is smartlock in true sense. It promises to keep you luggage scure with AES 1280but encryption. The lock connects with smartphones via bluetooth and automatically unlocks when your smartphone comes within range. Also you can add PIN access mode. If your smartphone goes out of range the lock send you an alert, and this prevents losing luggage. AirBolt is available on kickstarter 65.
Available at kickstarter.com for $65