What • A security device that automatically text-messages your preselected rescuers in case you need help.

How much • $200 for the device plus $25 a month for a subscription to the GPS signal provider.

Where • securatrac.com.

Why buy it • If you're lost, hurt or otherwise distressed, trigger the device and it sends an emergency text message to people on a list you program into the device. The subscription to the SecuraTrac service may be a little pricey if you have GPS on your cell phone.