KOLIER Personal Alarm Keychain Function: - Pull out the bolt. It will alarm with loud sound - Put in the bolt to turn off the alarm - The bolt won't come out very easily - Alarm sound is loud enough to draw attention for assistance Specification: VOL: 120db - 130db Size: 2.56 * 1.77 inch Weight: 0.92 oz An Ideal Choice For All Ages: Good for Students, Jogger, Elderly, Kids, Women, Night workers. Nice handy device to hook to a coat zipper, purse, schoolbag or key chain. Apply for traveling, hiking, camping and walking the dog. Warm Tips: When alarm sound goes low, please remove the screws from the back cover and replace new batteries. The alarm sound is quite loud, never put the unit close to your ears.
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