Personal-security technology company ArmorSiren has announced the launch of the ArmorSiren Portable Alarm Security System (PASS). The ArmorSiren PASS is a compact, portable alarm/security system ...

So I went looking on the web for a portable alarm clock (battery powered) with a low frequency sound output, or a user configurable sound (ie, it can record a sound), but came up empty.

Get a portable carbon monoxide alarm for just $45 Keep an eye on your home's CO levels in real-time.

If Bosch brings it to the US eventually, the annual service fee could be cheaper, but even $15/year is cheaper than what a home security service will charge you for remote monitoring.

Similar to other travel door locks, this portable home security lock is made to fit nearly any door and locking mechanism, whether you're enjoying time at a resort or cozying up in a vacation villa.

The i-F3 is a portable speaker system for the iPod that features a built-in alarm clock and a wireless remote.