The Bluetooth Key Finder is actually perfect for finding any of your belongings, not just keys. With multiply functions include key finder, parking site or location memory and shutter remote. It also has a feature where it will alert you if your phone becomes a distance from the unit, helping prevent lost bags, luggage and even children! All functions are accessed via a free downloadable app available on both Apple and Android app stores. Choice of 5 standard colours Supplied in card box Minimum just 50pcs