--- product_id: 91108898 title: "Jayron JR-HM019R Waterproof Digital LCD Hour Meter Tachometer Maintenance Meter for Gasoline Engine, Paramotors,Chainsaws,Generators,Mowesr,Model Boats" brand: "jayron" price: "108.37 DT" currency: TND in_stock: true reviews_count: 8 url: https://www.desertcart.tn/products/91108898-jayron-jr-hm019r-waterproof-digital-lcd-hour-meter-tachometer-maintenance store_origin: TN region: Tunisia --- # IP68 waterproof rating for rugged use Tracks up to 999,999 hours total Customizable 3-group maintenance reminders Jayron JR-HM019R Waterproof Digital LCD Hour Meter Tachometer Maintenance Meter for Gasoline Engine, Paramotors,Chainsaws,Generators,Mowesr,Model Boats **Brand:** jayron **Price:** 108.37 DT **Availability:** ✅ In Stock ## Summary > ⏳ Keep your engine in the fast lane—track, maintain, and outperform every time! ## Quick Answers - **What is this?** Jayron JR-HM019R Waterproof Digital LCD Hour Meter Tachometer Maintenance Meter for Gasoline Engine, Paramotors,Chainsaws,Generators,Mowesr,Model Boats by jayron - **How much does it cost?** 108.37 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/91108898-jayron-jr-hm019r-waterproof-digital-lcd-hour-meter-tachometer-maintenance) ## Best For - jayron enthusiasts ## Why This Product - Trusted jayron brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision RPM Monitoring:** Real-time tachometer with max RPM recording up to 30,000 RPM for peak performance insights. - • **Tailored Maintenance Alerts:** Set and receive reminders for oil changes, spark plugs, and more with 3 customizable service timers. - • **Built for Harsh Environments:** IP68 waterproof design ensures reliable operation in wet, dusty, or outdoor conditions. - • **Unmatched Engine Runtime Tracking:** Accurately logs total and resettable running hours to optimize engine lifespan. - • **Effortless Installation & Long Battery Life:** Includes all mounting accessories and powered by a long-lasting CR2450 lithium battery—no wiring needed. ## Overview The Jayron JR-HM019R is a waterproof digital hour meter and tachometer designed for gasoline engines across various applications like paramotors, chainsaws, and generators. It features a high-capacity runtime counter (up to 999,999 hours), real-time RPM measurement up to 30,000 RPM, and customizable maintenance reminders for optimal engine care. With IP68 waterproofing, easy installation, and a 2-year warranty, it’s engineered for durability and precision in demanding environments. ## Description Jayron JR-HM019R Waterproof Digital LCD Hour Meter Tachometer Maintenance Meter for Gasoline Engine, Paramotors,Chainsaws,Generators,Mowesr,Model Boats ## Features - Hour meter----Accumulates the total engine running time TOT, TOT cannot be reset; Records the resettable part of the running time JOB1/JOB2; Timing range: 0-999999H. - Maintenance reminder service (SVC) ---- 3 groups of maintenance services,track the service life of your engine (oil change, valves, adjustments, spark plugs, etc.); Maintenance timer can be freely set from 0-1000 hours. - Application ----Samll Engine tach hour meter keeps track of ture engine RPM and running time for all types of gasoline engines, including 1P1R, 1P2R, 2P1R, 3P1R, 3P2R, 4P1R, 5P2R, 6P1R, 8P1R Engine. - Tachometer----Measuring current engine RPM,recording and viewing engine Max RPM;The tach hour meter shows current RPM when the engine is running,RPM range: 0-30000RPM. - Others----Powered by one CR2450 lithium battery.No external power connections are required.Waterproof rate IP68; Easy Installation-accessories includes double sided tape,screws,and fasteners.2 Years Warranty. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Jayron | | Brand | Jayron | | Item Weight | 2.39 ounces | | Item model number | 4350328054 | | Batteries | 1 Lithium Metal batteries required. (included) | | Is Discontinued By Manufacturer | No | | Manufacturer Part Number | JR-HM019R | ## Product Details - **Brand:** Jayron - **Material:** Plastic - **Manufacturer:** Jayron ## Images ![Jayron JR-HM019R Waterproof Digital LCD Hour Meter Tachometer Maintenance Meter for Gasoline Engine, Paramotors,Chainsaws,Generators,Mowesr,Model Boats - Image 1](https://m.media-amazon.com/images/I/618Zs-Tk9LL.jpg) ## Questions & Answers **Q: Is this truely water resistant. ???** A: I have not installed it yet. I know it’s not waterproof, only water resistant. **Q: Can you shorten the cable for permanent installation on small items, like trimmers generators and chainsaws?** A: I don’t think so, I just coiled the wire mine up , used a zip tie, and it works fine ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great alternative to Trail Tech *by K***W on August 20, 2021* Just installed first one and it actually seems a bit nicer than the TTO but definitely as good and half the price. ### ⭐⭐⭐⭐⭐ Works great & water resistant *by R***T on October 28, 2020* Seems to be water resistant as stated. Working fine after getting wet many times while washing my bike. ### ⭐⭐⭐⭐ Works works as intended *by C***N on February 27, 2020* Works as intended ## Frequently Bought Together - Jayron Digital LCD Waterproof Gasoline Engine Hour Meter Tachometer Maintenance Meter for Paramotors,Chainsaws,Generators,Mowesr,Model Boats - DA YUAN Professional Petrol Engine Compression Tester Kit Set for Automotives and Motorcycles - STP 71500EN Carb Spray Cleaner (500 ml) --- ## 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.tn/products/91108898-jayron-jr-hm019r-waterproof-digital-lcd-hour-meter-tachometer-maintenance](https://www.desertcart.tn/products/91108898-jayron-jr-hm019r-waterproof-digital-lcd-hour-meter-tachometer-maintenance) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-06-20*