Portable Mini Whistle Sound Control LED Key Finder Locator Find Lost Keys Chain Keychain Clap or whistle When it sounds and flashes it will help you to find your keys. Useful for anyone who lose their keys! Product Features: LED torch, convenient to look for the lock eye. Small in size, portable and convenient. Find your key or any other items easily. Elegant design and high quality. Remote control by sound. Whistle or shout within 7 meters to make it beep and flash. Comes with a chain ring How to use: 1. Attach this electronic key finder to your keys. 2. When you lose your key in your drawer, cupboard, under the bed etc. You can just clap, whistle or shout, then it sounds and flashes to help you to find your keys. 3. After a few minutes, when there is no any noise, it will stop sounds and flashes itself. Note: Any noise over 85-90DB causes the promotion gift to beep and the light to flash. Package Includes: Color: white + silver Size: 55 x 30 x 15 mm / 2.17 x 1.18 x 0.59 inch Net Weight: 12 g / 0.42 oz Powered: 2 x AG3 batteries (included)