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Leo GPS watch locates your child in an emergency

This locator wristwatch-phone aims to help reduce the 800,000 annual cases of missing kids and protect them from predators.

The Leo, which has a tamper-proof strap, will launch in the spring for $249.95. Guardian Lion

If you've ever lost track of your child or an elderly relative, it's hard to forget the panic of not knowing where he or she is. This GPS watch is designed to help prevent your loved ones from going missing.

Besides telling the time, the Leo wristwatch from Guardian Lion Wireless is also a phone, GPS locator, and 911 panic button. It can be used as a tracking device to find your wayward child or older relative with dementia.

As an option, the titanium strap can be locked. It has a tamper alert, so you'll know if anyone tries to take the watch off. A criminal would need bolt cutters to remove it.

The Leo is the subject of an Indiegogo crowdfunding campaign, but will be launched in April 2013 regardless of the outcome. It's priced at $149 presale, and $249.95 at launch.

"Leo is like having an entire OnStar system on your wrist," says inventor Jason Sullivan, who created the watch to help protect his little sister. "We have toured several 911 call centers with their directors, which was met with very positive response.

"We have also recently secured Marc Klaas to join our team," Sullivan says. "Marc is currently the most prominent child protection advocate visible in the media today. He also works with countless law enforcement agencies around the U.S. by spearheading on the ground search and rescue/recovery missions."

Klaas became an advocate for missing children after his daughter Polly was kidnapped and murdered in 1993 in a case that grabbed national attention.

The Leo will be targeted at children aged 6 to 12, outdoors enthusiasts, people with autism spectrum disorder or Alzheimer's, and seniors who are under care, Sullivan says.

What do you think? Do you worry about your kids getting snatched, and would you put one of these on them?