Sound Grenade with 120-decibel Alarm

Sound Grenade

Meet the Sound Grenade: a compact device with a 120-decibel alarm that allows you to get the help you need when in trouble. The siren works for 30 minutes unless the pin is returned to the device. The Sound Grenade is capable of working under water and in 14F to 104F weather. It weighs under 1 oz. Costs under $20 at this time.

More items like this: here

[where to get it]

*some of our articles have aff links. Please read our disclaimer on how we fund Exxponent.
Read more:
HoloLens 2 Mixed Reality Headset

The next generation HoloLens is coming. The HoloLens 2 Mixed Reality Headset has a more ergonomic design and wider FoV....

Moona: Smart Pillow Temperature Controller

Here is another innovative system that helps you sleep better. Moona adjusts your head and neck temperature throughout the night...

Steampunk Pocket Nixie Watch

Not too many people use pocket watches these days. This Pocket Nixie Watch looks quite fun to wear though. It...

Close