 A great safety gadget for any student is this very compact personal alarm that can be attached to a backpack. When the pin is pulled, [it] emits a piercing 120-decibel alarm (as loud as an ambulance) that immediately alerts those nearby. If the pin remains unplugged, the siren will sound for 30 straight minutes.
Full article: http://www.huffingtonpost.com/entry/14-essential-tech-products-for-back-to-school_us_57a0de0ae4b07066ba1fcb54 |
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