eGeeTouch Smart Locks are embedded with state-of-the-art, patented Dual-Intelligent Proximity, Vicinity Tracking, and Smart Identification technologies, delivering an unprecedented level of security, hassle-free user experience, and extended functions unattainable by any traditional lock. Awarded the prestigious 2017 Red-Dot Product Design Award, in addition to the 2016 Japan DIV New Product Award, eGeeTouch Smart Lock is second to none in the world, requiring NO KEY, NO DIALS & NO CODES for a fuss-free experience. Simply pair with a Bluetooth smartphone, smart watch, or tap an NFC-enabled fob to secure/unlock luggage (other access methods available). With PROXIMITY TRACKING technology, you will never leave your belongings behind! IP43 splash-proof protection 2.5in x 1.5in x 1in