--- product_id: 446811024 title: "2 Pieces Small Engine Timer, Digital Tachometer, Maintenance Reminder, Battery Replaceable, User Shutdown, for ZTR Lawn Mower Tractor Generator Marine Outboard ATV (2)" brand: "runleader" price: "£43.70" currency: GBP in_stock: false reviews_count: 5 category: "Runleader" url: https://www.desertcart.co.uk/products/446811024-2-pieces-small-engine-timer-digital-tachometer-maintenance-reminder-battery store_origin: GB region: United Kingdom --- # Replaceable CR2450 battery 0.1 hr precision timer Accurate 0-20,000 RPM tachometer 2 Pieces Small Engine Timer, Digital Tachometer, Maintenance Reminder, Battery Replaceable, User Shutdown, for ZTR Lawn Mower Tractor Generator Marine Outboard ATV (2) **Brand:** runleader **Price:** £43.70 **Availability:** ❌ Out of Stock ## Summary > ⚡ Stay ahead of engine wear with precision timing and smart alerts! ## Quick Answers - **What is this?** 2 Pieces Small Engine Timer, Digital Tachometer, Maintenance Reminder, Battery Replaceable, User Shutdown, for ZTR Lawn Mower Tractor Generator Marine Outboard ATV (2) by runleader - **How much does it cost?** £43.70 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/446811024-2-pieces-small-engine-timer-digital-tachometer-maintenance-reminder-battery) ## Best For - runleader enthusiasts ## Why This Product - Trusted runleader brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dynamic RPM Monitoring:** Real-time tachometer reads up to 20,000 RPM with 10 RPM resolution for perfect engine tuning. - • **Durable & User-Friendly:** IP65 waterproof rating, easy installation, and data retention even after battery replacement. - • **Universal Compatibility:** Works seamlessly with a wide range of gasoline engines and outdoor power equipment. - • **Smart Maintenance Alerts:** Programmable service timer flashes reminders so you never miss critical upkeep. - • **Precision Engine Tracking:** Monitor total engine hours with 0.1-hour accuracy to optimize your maintenance schedule. ## Overview The Runleader RL-HM011F is a dual-pack digital hour meter and tachometer designed for small engines. It features a high-precision 0.1-hour timer, programmable maintenance reminders, and an accurate tachometer reading up to 20,000 RPM. Compatible with various gasoline engines, it offers waterproof durability (IP65), easy installation, and a replaceable CR2450 battery ensuring data retention. Ideal for lawn mowers, generators, ATVs, and marine engines, it empowers proactive maintenance to extend engine life and performance. ## Description Runleader RL-HM011F Self-Powered Engine Digital Maintenance Reminder Tachometer Includes Tachometer, Timer, Service Timer, Replaceable Battery, Shutdown Function and Waterproof Design.Product Features:1 Hour Meter (HOURS) Features---- Help you track how many hours you put on your engine.￭ When engine is off, display shows total run time of engine and remains visible.￭ Total Hours reading displays from 0 to 99,999 Hours, 0.1 hours accuracy.￭ Total hours can be reset.2 Service timers (SERVICE) Features---- Countdown tracking time, Reminding maintenance, Like Air filter Replacement.￭ Programmable maintenance interval time from 0-99999 hours.￭ When the maintenance time arrives, the service warning icon flashes to remind.￭ Countdown tracking service reminder time, 0.1 hours accuracy.3 Tachometer Features---- Display reads engine current RPMs , Help adjust engine idle.￭ Accurately records your RPMs when the engine is running.￭ Can be programmed for different engine firing patterns.￭ Tachometer displays from 0-20,000 RPM with 10 RPM resolution. ￭ RPMs update time refresh rate: 0.5S.3 Works on:￭Worked on Gasoline engine types:2 stroke single cylinder / 2 stroke 2 cylinder / 4 stroke 4 cylinder/ 4 stroke 2 cylinder /4 stroke single cylinder Gasoline engines.￭Applications:This hour meter suitable for Outdoor Power Equipment、 Generators、Agriculture、Construction Machinery、Vehicles、Boats etc... such as:Lawn Mower Garden Tractor Riding mower Leaf Blower Pressure washer chainsaw Snowblower Brush Mower Line Trimmer string trimmer Pressure Washer Portable inverter generator Motorcycle Dirtbike ATV UTV Scooter Paramotor Harley dual-sport bike Golf cart Outboard Jetski Pontoon boat Mercury Raceboat Hovercraft etc...4 Product specification ￭Product:RL-HM011F(2 pieces combination pack)￭ LCD Screen size:12.5mm×42mm￭ Standard wire length:1750mm (5.74 ft)￭ Patent, CE ROHS certification￭ Waterproof rating: IP65￭ Battery:Internal replaceable CR2450 battery￭ Product accessories:Velcro, cable tie,CR2450 Battery, Instruction manual Review: Runleader Digitaler Betriebsstundenzähler - Gummidichtung für Batteriefach war bei Ankunft bereits verklemmt und ergo beschädigt. Damit ist das Fach nicht mehr wasserdicht. Kann passieren, für mich war das keine Voraussetzung beim Kauf also egal und ist ausgenommen von der Gesamtbewertung. Inbetriebnahme und Einstellungen sind rudimentär aber ausreichend und zweckdienlich. In der Preisklasse darf ich nur beurteilen, ob das Gerät den Angaben entsprechend funktioniert, alles darüber wäre vermessen zu erwarten. Ich habe keine Möglichkeit die Genauigkeit des Gerätes zu prüfen aber das Gerät ist funktionstüchtig und angezeigte Daten scheinen glaubwürdig. Schnelle Lieferung und gratis Versand nach Österreich ... 5 Sterne und ein Dankescön Review: Not working - Broken in 5 days Change the battery also not working ## Features - PACKAGE CONTENTS ---- 2 pieces hour meters, 1 large box containing 2 individually packaged hour meters, solving the need for maintenance of more than one engine.HM011F contains functions of tachometer, timer, service timer. - HOUR METER----when the engine is off, the display shows the total running time of the engine and remains visible. Total hours can be reset; 0.1 hour precision. - MAINTENANCE REMINDER----Programmable maintenance interval service timer (SVC), countdown to track service reminder time; when maintenance time is up, the service warning icon flashes to remind. - TACHOMETER----Accurately records the speed of the engine when it is running, helps to adjust the engine idle speed; can be programmed for different engine ignition modes. - OTHERS----Easy to install; Contains detailed instructions for use; Internal replaceable CR2450 battery, data retention after battery replacement; operation button can be turned off, data retention after shutdown;2-year warranty. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B24Y23XW | | Brand | Runleader | | Brand Name | Runleader | | Customer Reviews | 4.3 out of 5 stars 4,041 Reviews | | Item Weight | 174 Grams | | Item weight | 174 Grams | | Manufacturer | Ningbo Jiangbei Run Leader Electronics Co., Ltd | ## Product Details - **Brand:** Runleader - **Item weight:** 174 Grams - **Manufacturer:** Ningbo Jiangbei Run Leader Electronics Co., Ltd ## Images ![2 Pieces Small Engine Timer, Digital Tachometer, Maintenance Reminder, Battery Replaceable, User Shutdown, for ZTR Lawn Mower Tractor Generator Marine Outboard ATV (2) - Image 1](https://m.media-amazon.com/images/I/61Qpk5w4aRL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Runleader Digitaler Betriebsstundenzähler *by R***. on 25 March 2020* Gummidichtung für Batteriefach war bei Ankunft bereits verklemmt und ergo beschädigt. Damit ist das Fach nicht mehr wasserdicht. Kann passieren, für mich war das keine Voraussetzung beim Kauf also egal und ist ausgenommen von der Gesamtbewertung. Inbetriebnahme und Einstellungen sind rudimentär aber ausreichend und zweckdienlich. In der Preisklasse darf ich nur beurteilen, ob das Gerät den Angaben entsprechend funktioniert, alles darüber wäre vermessen zu erwarten. Ich habe keine Möglichkeit die Genauigkeit des Gerätes zu prüfen aber das Gerät ist funktionstüchtig und angezeigte Daten scheinen glaubwürdig. Schnelle Lieferung und gratis Versand nach Österreich ... 5 Sterne und ein Dankescön ### ⭐ Not working *by M***I on 5 November 2025* Broken in 5 days Change the battery also not working ### ⭐ Does/ doesn’t work *by M***K on 27 September 2024* Wired in unit, set up for engine, started engine, all good. Returned 1hour later, started engine, the digits cycle randomly, doesn’t work & continues not to work. Ordered another from elsewhere. ## Frequently Bought Together - 2 Pieces Runleader Small Engine Timer, Digital Tachometer, Maintenance Reminder, Battery Replaceable, User Shutdown, for ZTR Lawn Mower Tractor Generator Marine Outboard ATV (2) - 2pcs Magicalmai Inductive Hour Meter for Gas Engine Generator Lawn Mower Pressure Washer Marine ATV Boat Outboard Motor Dirt Bike Motorcycle Waterproof Hr Meters - Black --- ## 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.co.uk/products/446811024-2-pieces-small-engine-timer-digital-tachometer-maintenance-reminder-battery](https://www.desertcart.co.uk/products/446811024-2-pieces-small-engine-timer-digital-tachometer-maintenance-reminder-battery) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-20*