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Dowco Weatherall Plus Cover Alarm
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Dowco Weatherall Plus Cover Alarm

Add extra security to any Guardian WeatherAll Plus cover or ATV Cover by dropping this alarm into any one of the sewn in pockets and tethering to your bike. Emits a 130dB warning when cover is tampered with.


  • Battery powered (9-volt)
  • No special wiring required
  • Installs in moments
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Dowco Weatherall Plus Cover Alarm 4.8 5 12 12
Basic cover alarm A nice basic alarm. It is disturbingly loud. It is fairly discreet as well. I live in the city and park my bike on the curb - when I am messing with the cover I can attach or disconnect the clip from my brake line in a smooth motion. I have no doubt I'd be able to hear it anywhere in my house. If I am not home and it goes off, my awesome neighbors next door will be on the phone with the cops in about five seconds. I am also considering installing it under the seat somewhere, running the alarm clip to a spoke (or something else that would have to move if the bike got messed with), and wiring up another hidden switch. That way I could use it without the cover, like if I park it somewhere in town for the day. It requires a 9-volt battery (not included). It isn't the most beautiful object in the world, but who cares, it lives in a pocket on the inside of your cover. Just a nice little extra peace of mind. April 13, 2015
Works Great I really liked how easy this product was to install. Instructions could use a little help to make things a bit more clear. I was surprised at how loud this alarm was when I performed my test in the garage. I think this coupled with the locking cover make a great pair. Very happy with this product. October 28, 2014
Added Protection If you have the Dowco cover or any cover for that matter that will lend itself to this alarm do yourself a solid and get it. It is pretty loud and once again another layer of protection that will help to keep your bike where you parked it. I have no doubts that this alarm is loud enough to let you know if someone has their hands where they don’t belong. October 15, 2014
its loud, like "whaaaaaaaaaaaat" loud you wanna make your would be thieves deaf? well this do something. i pulled it out on the first day and i regret it. so loud October 3, 2014
LOUD! It went off while I was trying to figure out how to work it and it's extremely loud and that's a good thing February 26, 2014
Affordable alarm that works! I've used this cover alarm for a few months and it's working well. On the inner/lower area of my rain cover for my bike, I have a pouch to place this alarm in. Just hook the provided lanyard/hook onto a part of your bike. As someone tries to lift the rain cover, it pulls the lanyard and alarm pin out, which activates the impressive alarm! This definitely turns heads when this thing goes off! I might buy another one for my patio sliding door to my home. For around $25, this alarm is worth it's weight in gold. Even if I do ever need to replace it, it's affordable enough to buy another one without regret. January 20, 2014
Very LOUD alarm! If you need something to scare off would be thiefs then this is perfect. It is 130dB and I believe every bit of that after pulling the pin on it. I rigged it up to work in my CycleShell and I don't worry about a thing knowing that would wake me in the middle if the night. November 18, 2013
multiuse Great product, even if you don't use this as a cover alarm. I attached the alarm behind my headlight with Velcro and ran the clip down to the rotor. If the bike is moved about a inch the alarm sounds. Good deterrence.Louie July 21, 2013
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Product Style RevZilla Item # Manufacturer Product # Availability
Dowco Weatherall Plus Cover Alarm 258965 26038-00/N26038-00 In Stock: Ships within 24 hours