Wsdcam 113dB Bike Alarm Wireless Vibration Motion Sensor Waterproof Motorcycle Alarm with Remote
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Extended holiday returns
Returnable until Jan 31, 2026 Learn more
Returnable until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: Returnable until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
In Stock.
Arrives
Friday, Dec 5
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Features
- Suitable for Bikes, Electric Bike, Motorcycles, Scooter, etc.
- Vibration alarm, 7 levels sensitivity adjustable, 3 levels volume adjustable, IP55 waterproof
- Wireless control by remote, strong wireless range up to 66ft
- Vehicle search function, easy to find your vehicle in paking lot by 3 kinds of bells
- Well-made process, battery saving technology and mature senser technology let WSDCAM alarm exceed industry standards for quality performance
Color: Black(WL03C)
Brand: wsdcam
Power Source: Battery Powered
Compatible Devices: Bikes, Electric Bikes, Motorcycles, Scooters
Product Dimensions: 1.61"L x 0.87"W x 3.74"H
Battery Description: Alkaline
Number of Batteries: 3 AAA batteries required. (included)
Voltage: 4.5 Volts
Control Method: Remote
Noise Level: 113 Decibels
Mounting Type: Seatpost Mount, Frame and Seat Mount or Others
Maximum Range: 66 Feet
Sensor Technology: Vibration Sensor
UPC: 739750146972
Manufacturer: wsdcam
Product Dimensions: 3.74 x 1.61 x 0.87 inches
Item Weight: 3.99 ounces
Item model number: SF22R
Batteries: 3 AAA batteries required. (included)
Is Discontinued By Manufacturer: No
Connectivity technologies: Wireless
Special features: Waterproof
Other display features: Wireless
Date First Available: June 21, 2017
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, Dec 5
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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- Financing through Apple Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
This is definitely not a joke. It works EVERY time, and it's loud enough to hurt. You can set the sensitivity with the key fob. The instructions are fine, but if you need to see rather than read, there are YouTube videos. It's easy, I assure you. I'm not sure how this would fit on any standard bicycle if you want to conceal it, but it comes with two 3M adhesive pads and zip ties for easy install. Fits my needs perfectly though.
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Reviewed in the United States on October 16, 2025 by Ronny Makoyepuk
It is really easy to install, it feels like pretty good quality for the price, it works as it should and it sounds great. Really loud.
Reviewed in the United States on October 29, 2025 by Dexter Stoltenberg
If someone really wants to steal your bike, they're gonna get it, but this alarm (and a couple VERY GOOD locks) can improve your chances of hanging onto your fine ride under most circumstances. I've purchased two of these alarms, one for my 'Lectric One eBike and one for my cargo eBike. Both work as advertised and produce a nice, loud alarm if someone doesn't learn from the warning "chirp" that sounds whenever the bike is jostled. I like that I can set it for different alarm sounds and volume levels, though I'm not sure why anyone would want less than the maximum noise setting, considering it's stated purpose. On the downside: It's not terribly well-made. The little plastic disc that covers the speaker fell off on day two. The unit still works, but I'm guessing eventually that exposed speaker is going to get wet or brittle or dirty or whatever else the little plastic disc was supposed to prevent. The remote control also seems a tiny bit on the flimsy side, though it works very well and the range is more than acceptable. For the money, this unit is a pretty good deal. And the peace of mind it gives me is worth a few bucks.
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Reviewed in the United States on April 24, 2025 by Mojambo
I wanted to give this alarm a 5 start rating: however, the lack of information on what might happen when the battery in the remote goes dead, made me choose a 4 star rating. First, all in all, this is a top-notch product and I highly recommend it. It is loud, it can be adjusted (sounds and level of sound) and it is waterproof. I have three of them (1 for my RV door and two for my electric bikes). The only issue I have had occurred 1 year into my ownership of the alarms. I touched my bike and the alarm went off even though I did not set it to do so. I tried using the remote to shut the alarm off, but, even though the remote light came on it would not shut off the alarm. Every time I tried to touch it, the alarm went off and the remote was useless. After having to research this, a You Tuber had the answer. Even though the remote light came "on", when pressing "set" or "off"...the battery was too low to send a signal to the alarm. So, I went about trying to get the remote apart and at first it seemed like I would break it, as the silver part seemed to not want to separate. With some wiggling it did separate and I could change the battery. BUT, now came the other part of this problem...the stupid battery is NOT an AAA battery (like in the alarm) and it is not a standard Circle Battery (like in most other electronics)...IT is a 27A battery. Some crazy miniature AAA battery. So I had to order it on Amazon. It fits nothing else that I own...just this alarm remote. With this problem solved, I suppose this alarm needs a 5 star rating or higher. Seller was great and the price was reasonable.
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Reviewed in the United States on August 10, 2025 by S. President S. President
Love it! They secure with zip ties, but work perfectly as a deterrent for anyone trying to mess with your bike. It’s loud but not overly sensitive to touch. Very easy to install!
Reviewed in the United States on October 3, 2025 by Amazon Customer
Wow this is a great little alarm, very loud, so loud it will wake the dead who will be very angry that you disturbed their RIP, that's how loud it is. I purchased 2 of these and installed them on our eBikes, under the seat, see photo. When you press the activate button on the remote you hear a brief 1 sec melody that it's initiating, then after about 2 seconds you hear one beep letting you know it's activated and ready. If it's bumped or otherwise senses motion two loud beeps sound as a warning, and if it's bumped or moved again then the alarm wails extremely loud for about 30 seconds, then stops. Or if it continues to sense motion then the loud alarm sound wails continuously until it senses no motion at which time it stops. No anti-theft alarm is perfect, but this little guy will definitely be a big and immediate surprise to any would be thief, who no doubt will reconsider what he's doing, while also being concerned about people in the vicinity who no doubt have turned to look towards the alarm noise. The alarm requires 3 AAA batteries and the remote requires one 12V/27A small cylindrical battery. The instructions are really bad, but some reviewers explain more clearly how to operate this alarm. The good news is that the factory default is already set for the loudest level and the most sensitive motion detection, so if you're okay with that (I am), then it's all set to install. Regardless, it's a great little alarm that is ear-splitting LOUD! So I purchased a 3rd one for our RV travel trailer entry door (mounted on inside of door, still very loud from outside, will definitely make its presence known). Yeah I really like this Super Duper Ear-Splitting LOUD Alarm!
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Reviewed in the United States on February 23, 2024 by MannyB MannyB
This is SOOOO EFFECTIVE!!!! I got one after thieves tried to take my bike in the early dawn, and I park it across the street from I stay at, and I was awake and I chased them off and the chick had the BIGGEST bolt-cutters from Home Depot you can imagine!! After that I said: HELL, NO!!! This is the first thing I did, and I just got it yesterday and tested it out, and MAAAAAAN: I CAN'T tell you how HAPPY I am!!! This little bad-boy is FRICKIN' BAD-ASS!!! I just got one for my car too!! CAN'T wait to come in the mail so I can put it in and don't worry about nothing!! SPECIAL thank you to the seller!! You ROCK!!! 😇🙏🙏🙏💥💥💥
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Reviewed in the United States on November 21, 2025 by John Vic
its great only thing that would make it better if it had 2 remotes
Reviewed in the United States on September 23, 2025 by james aka blue