Wireless Anti Lost Alarm Key Finder Locator Whistle Sound LED light with Battery Blue

Features: Wireless remote control electronic key finder, environmental protection and no radiation. Easy to use, all you have to do is whistle and it s alarm will sound. Can be put in bags or other items as a antilost device to use, it can also be used as a mobile pendant. Help you easily find keys, wallets, MP3 and etc. Sensing range about 810 meters, the louder the whistle, the sensing range is long. Dimensions: 5.3 * 3 * 1cm2.1 * 1.2 * 0.4inch; Key ring is not included. Specification: Material: ABS Plastic & Electronic Components Color: Green, Blue, Red (optional) Battery: Included Sensing Range: 810 meters Size: 5.3 * 3 * 1cm2.1 * 1.2 * 0.4inch Package Weight: approx.20g Package List: 1 * AntiLost Alarm Key Finder Wireless remote control electronic key finder, environmental protection and no radiation. Easy to use, all you have to do is whistle and it s alarm will sound. Can be put in bags or other items as a antilost device to use, it can also be used as a mobile pendant. Help you easily find keys, wallets, MP3 and etc. Sensing range about 810 meters, the louder the whistle, the sensing range is long.