Price: $35.99
(as of Dec 25, 2025 19:45:14 UTC – Details)
Product description
Upgrade 4.0 Car Anti-Theft Vibration Alarm System 
More Answers to Your Questions (FAQs)
Q1 Does its alarm volume have adjustable levels? A1 Three levels of volume can be adjusted, respectively 96dB, 102dB, 108dB, for use in different occasions. Q2 How long does its battery typically last? A2 Two AAA batteries last about 2 months, When the host’s battery is low (2.4V), you will hear a “Du..Du..” sound when arming or disarming. Please replace the battery promptly. Q3 Is it compatible with all car models? A3 Suitable for all car models, This product can be installed at anywhere, so there is no limitation of car models. Q4 Does its installation damage car’s interior? A4 No, this alarm uses a magnetic mounting design, which is easy to install without sticking and leaves no trace after removal. Q5 Is its sensor sensitive enough to detect minor vibrations? A5 The audible and visual alarm is so sensitive that when you place it on your desktop, all you have to do is gently tap the desk to trigger the alarm. NOTE!!! The excellent sound insulation effect of a car can lead to a significant difference in sound between the inside and outside; The daytime light is not very clear
LNKERCO Car Alarm System
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Customer Reviews
4.0 out of 5 stars 257
4.1 out of 5 stars 61
3.8 out of 5 stars 105
4.2 out of 5 stars 196
4.2 out of 5 stars 196
4.0 out of 5 stars 257
Price
$23.99$23.99
$28.99$28.99
$14.99$14.99
$9.99$9.99
$9.99$9.99
$35.99$35.99
Alarm Mode
108dB loud alarm + Red light
120dB loud alarm + Red light
110dB loud alarm
Red light flashing
Blue light flashing
108dB loud alarm + Red light
Operating Mode
Remote control
Remote control
Remote control
Manual switch
Manual switch
Remote control
Power Supply
Two AAA batteries
Micro USB-C
Two AAA batteries
Solar power + Micro USB
Solar power + Micro USB
Two AAA batteries
Noise level
108dB max (96dB,102dB)
120dB Max(100dB,110dB)
110dB
None
None
108dB max (96dB,102dB)
Long battery life
✔
✔
✔
✔
✔
✔
Package Dimensions : 4.25 x 4.06 x 1.54 inches; 0.71 ounces
Item model number : KS-SF18R
Batteries : 1 LR44 batteries required. (included)
Date First Available : February 7, 2025
Manufacturer : LNKERCO
ASIN : B0DNZFZCY9
Customer Reviews: 4.0 4.0 out of 5 stars (257) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
2-In-1 Car Vibration Sensor Alarm: This car alarm device includes a max 108dB alarm and red light popping dual alarm mode to effectively scare off potential thieves and has simulated dummy alarm light to warn and protect your car when arming
108dB Powerful Sound: This car alarms for theft with sound adopts 3D accelerated sensor + Al algorithm, high sensitivity, reduce false alarms! 108dB, 102dB, 96dB 3 levels of volume adjustable to apply to different parking lots, such as neighborhoods, parking lots, noisy streets
Red Flashing Alarm Light: This anti theft car device will briefly sound for 2 seconds with a flashing red light when the car first vibrates. Another vibration triggers a 30S continuous alarm and red light blinking mode, draws attention to the surrounding area and scare off thieves
Magnetic Mount & Long Battery Life: This car security anti theft is magnetically mounted, no tools required to install, no marks left at the installation and can be moved to a different location at any time. Only two AAA batteries are needed, it can be used for 1-3 months
66FT Wireless Remote Car Alarm: This car vibration alarm is equipped with a wireless remote control for arming and disarming, and can be operated up to 66FT (20M), not only can be used to remotely turn off the alarm, but also can be used to quickly locate your vehicle in a parking lot, etc.
Multi-Purpose Alarm: This anti theft alarm can be used not only for cars, trucks and other vehicle, but also for home windows and doors when you are away from home, as well as bicycles, electric vehicles, luggage, etc.
Car Security Anti Theft List: Car sound vibration alarm x 2 (Note: Includes two AAA batteries), wireless remote control x 1, instruction manual, 365-day protection
NOTE: The excellent sound insulation effect of a car can lead to a significant difference in sound between the inside and outside. In this situation, you can place one inside and one outside
Customers say
Customers find the car alarm system to be a good value for money and appreciate its strong magnet, easy installation, and simple operation. They consider it an effective security measure that protects vehicles at all times, and one customer mentions it works well for tool cabinets. The alarm’s loudness receives mixed feedback – while some find it extremely loud, others say it’s not loud enough to hear. The sensitivity of the device is also mixed, with several customers finding it too sensitive.