The technology featured in the Leak Bug and Leak Puppy detects leaks as small as 1/32 of an inch, giving your home the protection it needs. The high frequency alarm shuts off when touched by hand, allowing you to spot the exact site of water damage immediately. And there’s no need to worry about batteries running out, because the Leak Bug and Leak Puppy’s alarms sound when batteries run low, so you’ll be protected from water damage and mold 24/7.