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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 11 11
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
Serves it's purpose but could use improvements I installed this alarm on my dowco cover. Slips right into one of the interior pockets and hooks on to any part of your bike. I usually hook it to one of the spokes on my rear wheel. If anybody tries to remove the cover the alarm sounds. Pretty straight forward. The alarm is loud at 130db. The lanyard and hook/clasp could be better. Id like to see a metal hook and maybe some sort of wire lanyard. It doesnt make your bike theft proof if your someone who has to leave it outside like me, but any step added to deter thieves is worth it too me. April 29, 2013
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Have a functionality, fit, or otherwise product-specific question about the Dowco Weatherall Plus Cover Alarm? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.

Dowco Weatherall Plus Cover Alarm
Already Asked: 2 Questions, 15 Answers
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RevZilla Store asked: Why did you choose this?
Gerard D: To accommodate the cover and to have a little extra protection to deter theft Nov 26, 2014
Michael P: To get as much peace of mind as possible. Apparently it is quite loud and works well, so hopefully this will be a good deterrent. Sep 27, 2014
Clinton A C: Heard good things about this alarm, have the cover, so I figured I would try it out. Aug 31, 2014
Amy M E: I had a big recumbent bicycle that was stolen. This is for the replacement. Aug 17, 2014
Larry W: Purchase this for added security being that my bike is stored outside all year around. The loud alarm sound with help in keeping unwanted hands from touching it. lol Jul 21, 2014
Maurice W: To go along with the protection of the cover added security not just from tampering but one never knows if some for thing might have hit my investment like a branch or rock or some small animal might have crawled up under the cover and nested there, Any added security is well worth it for my investments protection being a new rider and learning more about what I need. Jun 22, 2014
John M: I ordered this because I don't have a garage and used it to rig up as an alarm to work with my Cycle Shell. Let me tell you, THIS THING IS LOUD!! I use two Xena disc lock alarms as well and they don't come close to this sound. If someone tampers with my bike at night this thing will wake up the neighborhood I mean it! May 12, 2014
weldon l: Pretty cheap for a little extra security for my bike... May 7, 2014
Jason M: It was simple and cheap and went with the Dowco cover I just purchased from the website. May 7, 2014
jose b: Fits the dowco weather plus cover, love it. May 3, 2014
Reza E: Wow, an alarm inside the bike cover. Brilliant. Might as well have 2. Mar 12, 2014
Terry J: I wanted the added protection of another layer of security. Nice and loud. Jan 20, 2014
Anne P: Spending less $$ than what a movie cost... No brainer! Anything you can do to ADD a DETERRENT to what a thief has in mind will benefit you in the long run. Show your insurance company proof of security measures you've taken and you may even get a discount, that over time will pay for products like these. Don't be a statistic. Oct 20, 2013
Oliver D asked: Is this something I could use everyday? Meaning is it for street use or more for storage. Just want to make sure there is a way to NOT trip it each morning... Also, if it does go off - how long does it last for and how do you disarm it? May 8, 2014
Answer this · Send to friends Good question? Yes (1) No (0)
Sunny Hot B: Yes, you could use this alarm everyday for "street use" and for storage (Long life battery), handy to alert you when someone has lifted the cover off the bike. This mini pocket size device was included with my Dowco cover and will work with any cover. It is easy to conceal due to it's small size. It's hard to trip it unless you forgot where you placed it, which goes on the inside on the bike or cover if it has a pocket.

When it goes off, last's until you switch it off by the on/off switch or until the battery runs out. Hope this helps otherwise, do a Google search.
May 9, 2014
Reply to Sunny Hot Good answer? Yes (1) No (0)
Jonathan P: I use it it everyday, but for storage. I wouldnt take it out when I ride. It goes off when the pin is pulled out, and keeps ringing this loud, annoying, ear bleeding yelp until you put the pin back in. So you'd have to rig it to your cover. May 8, 2014
Reply to Jonathan Good answer? Yes (0) No (0)
Product Style RevZilla Item # Manufacturer Product # Availability
Dowco Weatherall Plus Cover Alarm 258965 26038-00/N26038-00 In Stock: Ships within 24 hours