Is your garage door opener protected from electrical storms and power surges? This piece of technology can literally save us as homeowners money and give us peace of mind. When the electrical storm is raging outside we can be assured our garage door opener is safe, and it is easy to install. I know when a storm is raging outside I am have made sure my electronics and appliances have a surge protector, and now peace of mind in knowing my garage door opener is also safe from surges.