Guardian Cover Alarm adds extra security to any Guardian WeatherAll Plus cover or ATV. Drops into any one of the sewn-in pockets and tethers to the bike. Emits a 130 decibel warning when cover is tampered with. 9-Volt battery powered. No special wiring required; installs in minutes without tools. The method you choose to store your ride and gear is a critical decision. Storing it outdoor, indoor or both, factors like waterproof and water resistant options must be considered; you also need to think about fade resistance and security factors.