Sensitive to movement of my bike and very loud. Beeps when I pick it so the thieves hiding in the bushes know to leave my bike alone. I recommend this.

Great alarm! the battery doesn't last very long so requires charging often. But it is loud and will certainly scare off a thief. It is very sensitive though. Wind can set it off.

Bin sehr zufrieden da mit läuft einwandfrei sehr weiter zu empfehlenGrußA.B

It is important to know that if you were using this on a bicycle and the bike is bumped or anything so you park your bike in a crowd this will go off so if you walk away from your bike, it will be annoyingly loud this does work very well

Love it

Angeschafft für mein E-Bike...Leichte Montage, unauffällig montierbar,Mega laut und abschreckend!!!Man hat ein gutes & sicheres Gefühl wenn man sein Fahrrad für z.B. einen Einkauf draußen abstellt (in Kombination mit einem guten Schloss) praktische Bedienung/ Einstellung dank Fernbedienung!!!Kann das Produkt nur empfehlen!!!

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Wow this is a great little alarm, it's extremely LOUD, so LOUD that it will wake the dead who will be very angry that you disturbed their RIP, that's how LOUD it is. I installed it on my eBike, in the front handlebar area, see photos.When you press the LOCK activate button on the remote you hear a brief 1 sec melody sound that 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 within 12 seconds then the alarm wails extremely LOUD with alternating sounds 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. And when you press the UNLOCK button you hear a brief 1 sec melody sound that it's deactivated.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 they're doing, while also being concerned about people in the vicinity who no doubt have turned to look towards the very LOUD alarm noise.It has 5 alarm volume levels and the default from the factory is set for the loudest level. But I will always leave it on the highest level, what reason would I ever have to turn it down? None! For any would-be thief who isn't expecting an alarm sound, it will definitely scare their pants off, and they'll be running away naked!It also has a button for locating your eBike in a large crowded parking area within 50-150 feet distance, press it and the alarm makes one loud beep sound. I don't think I'll ever have a need for this button but I guess it's good to have, you never know. Plus it has a little mini-light button, but the light is so tiny it doesn't provide much light at all, but I guess if it was really dark, it may be of some help.The product listing claims it's waterproof, but according to the IP65 rating it has some level of water 'resistance', but if you dropped it in a bucket of water it's not protected (that requires an IP67 rating). But water resistance is still good to have if it ever rains while riding my eBike, then I can search for cover, but not continually ride in the rain.Both the alarm and remote have rechargeable internal lithium batteries of different sizes. The manual states the alarm has a 600mAh battery capacity that takes 2.5 hrs to charge and will last 1-2 months under normal usage, and the remote has a 200mAh battery capacity that takes 1 hr to charge and will last 6-8 months. And when either device battery becomes low there is a sound and light for the alarm and just a light for the remote. Also both alarm and remote have a USB-C port for charging and the alarm lights up with red lights as it's charging (see photo).One good thing about the rechargeable batteries is that you don't have to open up the devices to change batteries, instead you just plug it into a USB power source and recharge it, plus you can do this with the alarm itself still fastened to the eBike, it doesn't have to be removed to get recharged.Yeah I really like this Super Duper Ear-Splitting LOUD Alarm!UPDATE 10-5-24When I installed this alarm the internal rechargeable battery was fully charged, yet 2 months later (today), there was a beeping sound indicating low battery charge, yet this alarm has been installed on my e-Bike unused for the past 2 months. So this means the battery charge lasts barely 2 months on a full charge, it's not a 'long-life' battery as advertised.Of course I can charge it back up, but I would think when unused for 2 months the battery would last way more than 2 months. In the product listing the battery is described as "long battery life", but the instruction manual states the battery is rated for 600 mAh and should last 45 days in standby mode. In my case the alarm was completely off, not in standby mode.My other brand e-Bike alarm uses 3 AAA batteries and lasts over a year on a full charge (and each AAA battery is about 1000 mAh and there's 3 of them, so 3,000 mAh total, 5 times more battery charge than this product's 600 mAh internal rechargeable battery).UPDATE 11-18-24Battery went dead again barely a month after I charged it, and it's been off since that time. This unit beeps when the battery is low, that's how I knew it was dead or very low. That's just really bad, I'm definitely not going to use it anymore, gonna throw it in the trash. Do not buy.

La première que j'avais reçu avait un problème de batterie mais ils l'ont changer très vite. L'alarme marche bien et tiens longtemps. Le seul petit défaut et que le bruit quand on l'active ou la désactive, c'est assez dérangeant d'autant attirer l'attention.

This bike alarm fits securely on the bike frame, but I had some difficulty pushing the bolts through the mount. After a few attempts, I managed to get the mount screwed on, though the bolts ended up sticking out, which detracts slightly from the appearance. Attaching the alarm with adhesive tape is probably not the best idea for bike use, as a thief could easily remove or destroy it. The adhesive seems better suited for other scenarios, like a hotel door.During testing, the alarm performed well, with sufficient sensitivity to detect movement. It’s quite loud, so it would be noticeable to people nearby, although in a noisy environment or with closed windows, it might be hard to hear from a distance. The alarm stops briefly after the shaking stops, then resumes if the shaking continues. I like that it doesn’t flash while sounding, so it's not immediately obvious what's causing the alarm, making it less likely to be tampered with.Additionally, I appreciate that both the alarm and remote control are rechargeable, which is more eco-friendly than using disposable batteries. I’ll update my review after further testing on city streets.

doesn’t stay charged as long as it said it would and is a pain to get off to charge but other than that it’s ok

This is a great gadget for preventing your bike, motorcycle, etc. from theft or vandalism. It can be securely attached to a post or stanchion with the bracket provided. The remote with vehicle search and volume adjustment makes it very easy for you to monitor the parking area you use. The rechargeable battery life is fairly long which is also convenient. The chirp feature on the remote is an extra bonus.