【4 Key Finders with Sound】 - Can't find your lost items? Choose Reyke item key locator, just press the button and follow the beep! You'll never lose your valuables. Comes with 4 receivers, keychain ring, and double-sided tape, can be attached to keys, TV remote, mobile phone, wallet, pets (cat tracker), luggage, or any other valuables that are easily misplaced. 【80db+ Buzzer & LED Flashlight】 - No phone and app required. Simply press the corresponding color-coded button, and the receiver's beep will help you find your lost car keys. Built-in LED flashlight helps locate lost items in the dark. 【Extra Long Battery Life】 - Tired of frequent battery changes? Premium batteries are included to support the device for a longer lifespan. Package includes: 4 x CR2032 receivers and 2 x 1.5V AAA batteries for the transmitter. 【Up to 40m Long Distance Tracking】 - With the Reyke long-distance detector, you can find your lost items no matter where they are. Radio frequency can easily penetrate walls, cushions, and doors. Key and wallet trackers work up to 40 meters away. (Walls and other obstacles will reduce the sound level). 【A Great Gift】 - Designed with large buttons for ease of use, especially for elderly parents and forgetful friends.