Save Your Time: life is very busy. The key finder is to be more refined, to make your life smarter and to help you solve small problems at work or in life. Easy & quickly to Locate: NO phone and app needed. Simply press on the related color-coded buttons. Receiver sounds/beeps, leading you to track your lost item within 40 meters/ 131 feet (Walls and other obstacles will reduce the sound level.). Making Noise: Just click on the color code button and the 80db+ beep and flash will guide you to the missing item. Advanced Fabric Transmitter & Built-in Flashlight: Are you tired of cheap plastic material? The transmitter of this Simjar key finder is made of qualified fabric, which makes this a better present. Meanwhile, the built-in flashlight helps to locate items at night. Portable Design with Thinnest Receiver: our 6 0.24-inch thick SIMJAR receivers can be attached to TV remote controllers, luggages, mobile phones, glasses boxes, wallets, pet collars and more.