ITEM NAME:4 * Alarm Locator Tracker Lost Key Finder Whistle Control LED Tracker f IHM.Note : Any noise over 85-90DB causes the promotion gift to beep and the light to flash. When you lose your key in your drawer, cupboard, under the bed etc. You can just clap, whistle or shout, then it sounds and the led flashes to help you to find your keys.
