Gas leaking is very dangerous, strong leak is easy to detect but small leak will be a little harder. Today we got a device called LED Gas Detector, it works with most common flammable gases including propane, butane, acetylene and natural gas. You can use it to check gas leaks in pipes, hot water heater, propane grill tanks and more. It has an LED indicator and alarm that will be activated when device detected flammable gas. Powered by two AA batteries and priced at $29.98.

[via TechFresh]