Alert

If you're at home alone, you may be reluctant to use headphones or do anything else that keeps you from hearing noises such as ringing doorbells. That's where Earzz comes in, as it's designed to listen for those noises, and alert you when they occur.

If a boat full of people is zipping across the water, it's possible that one of them could fall overboard without anyone noticing ... at least, not right away. The 1st Mate Marine Safety and Security system is designed to keep that from happening.

Many cars don't have rear seatbelt warning systems, so parents may not realize that their children have released their belt while en route. buckle me up wirelessly adds a rear seatbelt warning system to such vehicles.

If you regularly take off into the hinterlands on a bike or horse, there's a chance you could crash and not be able to summon help. That's why David Coleman developed the Ridersmate. If you fall off your bike/horse, it automatically sends a text message to let people know that something's amiss.

The Clever Buoy system uses sonar to detect sharks, potentially providing a more humane and reliable alternative to shark nets at beaches.

Although some urban cyclists may think that bike bells are fussy and unnecessary, those of us who use them will tell you that they're much easier and less confrontational than yelling "On your left!" at pedestrians. Well, the Runbell is designed to let runners in on the bell action.

A new object-detection software system from Fujitsu for use with on-board vehicle cameras could help enhance driver awareness by improving recognition of potential hazards, including pedestrians and moving vehicles.

The blink(1) is a programmable LED indicator light, that plugs into a computer's USB port.

The HeadsUp wireless gear alert system is designed to keep drivers from smashing their roof rack-mounted gear against their garage door.

Toyota has announced that it will begin selling an onboard audio device that provides alerts pedestrians to the presence of its Prius.

Ekahau has announced forthcoming availability of its new writ-bound Wi-Fi tracking tag