【4 Key Finders Locator with Sound】- Can't find your lost items? Choose Reyke item key finder locator, just press the button and follow the beeps! You'll never lose your valuables again. Come with 4 receivers, key chain rings and double-sided adhesive can be attached to keys, TV remote controllers, mobile phones, wallets, pets (cat tracker), luggage or other easily lost valuables. 【Loud 80db+ Beep & LED Flashlight】- No phone and app needed. Simply press the corresponding color-coded buttons, beeping sound from receiver will help you find lost car keys. The built-in LED Flashlight, which is helpful to locate items lost in darkness. 【Ultra-long Battery Life】- Tired of change the batteries so frequently? Premium batteries are included to support the device for a longer lasting service life. Package include : 4 x CR2032 batteries for receivers and 2 x 1.5v AAA batteries for transmitter. 【Up to 131ft Long-Distance Tracking】- Use Reyke remote finder, you'll be able to find your lost goods no matter where they are. Radio frequency can easily penetrates though walls, cushions and doors to trackers for keys and wallets up to 131ft far away. (Walls and other obstacles will reduce the sound level) 【A Great Present】- Designed with large push buttons for easy use, especially for aging parents and forgetful friends. Reyke  / find my keys device save you from lostting your belongings, convenient using method by attaching the receivers to your important items.