--- product_id: 29794293 title: "Megatronix UPSS Add-On Shock Sensor To Factory OEM Car Alarm Security System" brand: "megatronix" price: "¥13550" currency: JPY in_stock: true reviews_count: 8 category: "Megatronix" url: https://www.desertcart.jp/products/29794293-megatronix-upss-add-on-shock-sensor-to-factory-oem-car store_origin: JP region: Japan --- # Adjustable sensitivity & pulse timing Secondary external sensor input Universal OEM compatibility Megatronix UPSS Add-On Shock Sensor To Factory OEM Car Alarm Security System **Brand:** megatronix **Price:** ¥13550 **Availability:** ✅ In Stock ## Summary > 🚗 Upgrade your ride’s defense—because your car deserves next-level protection! ## Quick Answers - **What is this?** Megatronix UPSS Add-On Shock Sensor To Factory OEM Car Alarm Security System by megatronix - **How much does it cost?** ¥13550 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/29794293-megatronix-upss-add-on-shock-sensor-to-factory-oem-car) ## Best For - megatronix enthusiasts ## Why This Product - Trusted megatronix brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual Polarity Support:** Works with positive or negative triggers for hood, trunk, or door sensors. - • **Add-On External Sensor:** Boost security by connecting an optional secondary sensor for full coverage. - • **Customizable Sensitivity:** Fine-tune shock detection with adjustable internal sensor and LED feedback. - • **Extended Trigger Control:** Set pulse length from 0.5 to 6 seconds for tailored alarm response. - • **Seamless OEM Integration:** Effortlessly upgrades your factory car alarm for smarter protection. ## Overview The Megatronix UPSS Add-On Shock Sensor enhances factory OEM car alarm systems by detecting shocks and bumps with adjustable sensitivity and pulse timing. It supports secondary external sensors and dual polarity triggers, providing customizable and comprehensive vehicle security. ## Description Add on shock sensor to factory OEM car alarm security systems Review: Easy to install and makes a factory alarm work as it should - This part is inexpensive, easy to install and makes a factory alarm, which on Rams only goes off when a door is opened, activate to shocks and bumps to the vehicle. Review: 2018 Ram 2500 Unit doesn't work - 2018 Ram 2500 Unit doesn't work, trigger sensor hooked up to door trigger violet wire and also tried hood pin switch with no results. Led flashes like it should, sensor flashes when motion is detected but alarm will not trigger no matter what I try. ## Features - Add on shock sensor to factory car alarm system - Input for optional secondary external sensor for added protection - Adjustable internal sensor sensitivity with on-board LED confirmation - Adjustable pulse length timing trigger output (0.5 second to 6 seconds) - Adjustable polarity for vehicle hood/trunk/door trigger (Negative or positive) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B007VHG3BA | | Best Sellers Rank | #1,265,088 in Automotive ( See Top 100 in Automotive ) #241 in Antitheft Alarm Systems | | Brand | Megatronix | | Compatible Devices | Cars with factory OEM alarm systems | | Customer Reviews | 3.5 out of 5 stars 43 Reviews | | Manufacturer | Megatronix | | Mfr Part Number | UPSS | | Model Number | UPSS | | Number of Items | 1 | | Unit Count | 1 Count | ## Product Details - **Brand:** Megatronix - **Compatible Devices:** Cars with factory OEM alarm systems - **Manufacturer:** Megatronix - **Remote Control Included?:** No - **Unit Count:** 1.0 Count ## Images ![Megatronix UPSS Add-On Shock Sensor To Factory OEM Car Alarm Security System - Image 1](https://m.media-amazon.com/images/I/41Zt+1uDvSL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Easy to install and makes a factory alarm work as it should *by S***S on September 27, 2024* This part is inexpensive, easy to install and makes a factory alarm, which on Rams only goes off when a door is opened, activate to shocks and bumps to the vehicle. ### ⭐ 2018 Ram 2500 Unit doesn't work *by E***C on March 21, 2020* 2018 Ram 2500 Unit doesn't work, trigger sensor hooked up to door trigger violet wire and also tried hood pin switch with no results. Led flashes like it should, sensor flashes when motion is detected but alarm will not trigger no matter what I try. ### ⭐⭐⭐⭐⭐ Quality *by T***R on May 5, 2019* Works exactly as advertised. Great product. I integrated it into my 2019 Camaro. ## Frequently Bought Together - Megatronix UPS Add-On Shock Sensor To Factory OEM Car Alarm Security Systems - Lamicall Bike Phone Holder, Motorcycle Phone Mount - Motorcycle Handlebar Cell Phone Clamp, Scooter Phone Clip for iPhone 15 Pro Max/Plus, 14 Pro Max, S9, S10 and More 4.7" to 6.8" Smartphones - Apple AirTag 4 Pack --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/29794293-megatronix-upss-add-on-shock-sensor-to-factory-oem-car](https://www.desertcart.jp/products/29794293-megatronix-upss-add-on-shock-sensor-to-factory-oem-car) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-08-14*