PASSalert Is a New Fire Safety Device That Can Save Your Life. In an emergency, every second counts. PASSalert is an ingenious and revolutionary device that has built in Wi-Fi capabilities and walks a user through a proper and effective PASS technique. The PASSalert device can clarify what to do in an emergency when users may be scared or forgetful. PASSalert can also instruct someone unfamiliar with a fire extinguisher during an emergency that can give your family peace of mind.