The OTOFIX Smart Watch combines the functions of a vehicle Smart Key with those of a Smart Watch into one indispensable personal digital device. 45 mm high-definition touchscreen, black case, and band. The Smart Watch performs all the functions of a Smart Key—Lock and Unlock doors and Remote Start—and all the functions you expect from a quality Smart Watch, including call and text notifications (when paired with iOS or Android phone), exercise apps, and health monitoring. Voice Control: Tell Watch to Remotely Start Car, Lock, Unlock Doors and Trunk. (Cannot perform vehicle functions not supported by original Smart Key.) Features more than 12 exercise and sports apps, including running, walking, hiking, yoga, cycling and multiple health monitoring and reminder apps, including sleep, heart rate, pulse oxygen, stand, and breathe. Free Autel Link phone app tracks health and exercise history. Smart Key capabilities are compatible with most vehicles equipped with Smart Keys or FOBs. Requires Autel MaxiIM KM100 (not included) to program Smart Watch to the vehicle and use smart key functions. Covered by a one-year limited warranty and free technical support.