--- product_id: 53628122 title: "FireAngel ST-750T 10 Year Thermoptek Smoke Alarm" brand: "fireangel" price: "298.44 DT" currency: TND in_stock: true reviews_count: 8 category: "Fireangel" url: https://www.desertcart.tn/products/53628122-fireangel-st-750t-10-year-thermoptek-smoke-alarm store_origin: TN region: Tunisia --- # 10-year sealed battery Dual optical + heat sensor Easy install & smart silence FireAngel ST-750T 10 Year Thermoptek Smoke Alarm **Brand:** fireangel **Price:** 298.44 DT **Availability:** βœ… In Stock ## Summary > πŸ”₯ Stay safe, stay smart β€” 10 years of worry-free fire protection! ## Quick Answers - **What is this?** FireAngel ST-750T 10 Year Thermoptek Smoke Alarm by fireangel - **How much does it cost?** 298.44 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/53628122-fireangel-st-750t-10-year-thermoptek-smoke-alarm) ## Best For - fireangel enthusiasts ## Why This Product - Trusted fireangel brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Smart Silence Function:** Temporarily mute nuisance alarms with a simple pressβ€”no more midnight disruptions. - β€’ **Toast Proof Technology:** Minimizes false alarms from cooking fumes, keeping your peace intact. - β€’ **Decade-Long Power Assurance:** 10-year sealed battery means zero hassle, zero replacements, zero interruptions. - β€’ **Trusted by UK Fire Services:** Used by 90%+ of UK Fire & Rescue, engineered to the highest safety standards. - β€’ **Precision Thermoptek Multi-Sensor:** Detects both fast flaming & slow smouldering fires for ultimate home safety. ## Overview The FireAngel ST-750T is a cutting-edge Thermoptek smoke alarm combining optical and heat sensors to rapidly detect both slow smouldering and fast flaming fires. Featuring a 10-year sealed battery and smart silence function, it offers hassle-free, long-lasting protection. Certified to UK standards and trusted by over 90% of UK Fire & Rescue Services, it’s designed for easy installation and minimal false alarms, making it the ultimate choice for modern, safety-conscious homes. ## Description From the manufacturer 10 Year Thermoptek Smoke Alarm ST-750 ST-750 Simple to install and easy to test and silence, the ST-750 smoke alarm is designed to alert the household to the presence of smoke and provide precious time to escape. Using the sensing technology of choice for the UK's Fire and Rescue Service, the FireAngel ST-750 is a sealed 10 year battery powered Thermoptek smoke alarm with improved detection of slow-smouldering fires. It's handy "sleep-easy" function allows the smoke alarm to be temporarily silenced for 8 hours. Positioning : Bedroom | Living room | Hallway | Landing | Dining room Tamper-proof 10 year sealed battery powered alarm Thermoptek optical smoke sensor - Detects slow-smouldering fires Smart Silence - Silence false alarms Toast Proof - Reduces nuisance alarms Certified to BS EN14604:2005 Thermoptek Our unique technology - Thermoptek Multi-Sensor technology combines the very latest in optical sensing with a thermal enhancement. It constantly monitors for temperature change and if a sudden temperature rise is detected the sensitivity of the alarm is increased. Precision Multi-sensor Optical and heat detection technologies combine to increase the sensitivity of the alarm for a faster response. This provides a much faster reaction to both slow smouldering and fast-flaming fires in a single alarm. UK Fire And Rescue Services We are leading the way in fire safety with state of the art design and technology to deliver the most reliable, efficient and desirable home safety solutions, FireAngel products are used by over 90% of UK Fire and Rescue Services. Review: Happy with the purchase - Very happy with the product. Easy to activate by connecting it to the main plate. I think some comments were because people didn't read instruction, so they believed that they received the product which doesn't work. The point is that alarm has to be activated. What has lots of sense. I have the same model in our rooms which were connected by fire brigade and one of them got faulty after 8 years, which I think it's not bad. I hope replacement will work for many years too. Review: Simple & smart appearance, easy installation - Arrived very promptly. I was pleased to see that the expiry dates on my 3 units were Dec-2029 and Feb-2030, so they are evidently new stock. If you are wondering, like me, what the difference is between FireAngel's ST-620, ST-622 and ST-750 alarms, all of which are thermoptek, identical in size and seem to have the same specification in the data sheets & manuals supplied by FireAngel, the answer apparently is that the sensors are slightly different, the ST-750 being the newest. The face of the alarm is simple: one big button and one flashing light, unlike some that have multiple buttons for different purposes. There is a single LED that flashes every 40 seconds to show it is operational; I have yet to see how bright this appears at night, so I've not yet put up the one for my bedroom. Incredibly simple to put up; with two long slots in the base plate at 90 degrees to each other, it doesn't matter if your two screws don't go in exactly where you planned! and it means you can rotate the base plate a little if you want the face of the alarm aligned in a particular direction. I gave 5 stars for "battery life" on the basis that the battery is meant to last 10 years, which is a big bonus - no additional expenditure on an expensive 9V battery (or whatever) every two years. Obviously I'll only be able to comment on actual battery life in 2029! I was spending Β£10 ten years ago on basic smoke alarms, so this one is ace value, having a thermoptek 'heat & optical' sensor. The 'end of life' silence facility is an added bonus, so you aren't driven bonkers by the thing chirruping all night! (nor have to take it down and de-activate it) - it will keep protecting you for up to another 7 days, until you have been able to replace it. Brilliant! ## Features - Thermoptek multi-sensor rapidly detects fast flaming & slow smouldering fires - Smart silence - silence your smoke alarm by momentarily pressing the test button, Ideal for nuisance alarms - Toast proof - less prone to nuisance alarms from cooking fumes - Designed to meet the specifications of the UK's fire & Rescue service - Product life span: 10 year. Battery life: 10 year sealed for life Battery - Certified to BS EN14604: 2005 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0725Q4DTL | | Alarm | Visual | | Battery Average Life | 10 years | | Best Sellers Rank | 3,536 in DIY & Tools ( See Top 100 in DIY & Tools ) 22 in Smoke Alarms | | Brand | Fireangel | | Colour | White | | Country of Origin | China | | Customer Reviews | 4.6 out of 5 stars 1,826 Reviews | | Included Components | 1x FireAngel ST-750T Alarm, 1x Instruction Manual + Fittings | | Item Dimensions D x W x H | 3.4D x 13W x 13H centimetres | | Item Type Name | Thermoptek Smoke Alarm | | Item Weight | 10 Grams | | Item weight | 10 Grams | | Manufacturer | FireAngel Safety Technology Limited | | Manufacturer Warranty Description | 10 years. | | Model Number | ST-750T | | Number of Items | 1 | | Part Number | ST-750T | | Power source | Battery Powered | | Product Style | Single | | Product dimensions | 3.4D x 13W x 13H centimetres | | Style | Single | | UPC | 816317004064 | | Unit Count | 1.0 count | | Upper Temperature Rating | 1 Degrees Celsius | ## Product Details - **Alarm:** Visual - **Battery life:** 10 years - **Brand:** Fireangel - **Colour:** White - **Item weight:** 10 Grams - **Number of items:** 1 - **Power source:** Battery Powered - **Product dimensions:** 3.4D x 13W x 13H centimetres - **Style:** Single - **Upper temperature rating:** 1 Degrees Celsius ## Images ![FireAngel ST-750T 10 Year Thermoptek Smoke Alarm - Image 1](https://m.media-amazon.com/images/I/61WsJRJQgEL.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: We have this installed in our bedroom and the annoying white flash of what is a white led behind a red lens. Keeps waking us up.** A: I think every smoke alarm will have a periodic flashing light which is a confirmation that the alarm is correctly powered (i.e. battery life is ok or mains connection is good) and is functioning properly. I don’t think that there is a solution other than repositioning or relocating the alarm. **Q: Is it ok for use in static caravans** A: This unit can be used in a Caravan, however it is not advisable to install smoke alarms in the kitchen area to avoid false alarms. I hope this helps. Many Thanks, Gemma H **Q: Does this test for carbon monoxide?** A: These are just smoke detectors for the carbon monoxide you need different type ,also these are valid for 10 years then the battery is finished and you can’t replace the batteries These fire angels are high quality pieces of devices for any house and well worth it **Q: Fire Angel st750t arrived today. Diagram of baseplate in user manual is different from one supplied. Why is this?** A: Not sure but if the base plate fits it should be ok, to be sure contact the supplier for conformation ## Customer Reviews ### ⭐⭐⭐⭐⭐ Happy with the purchase *by A***R on 22 March 2026* Very happy with the product. Easy to activate by connecting it to the main plate. I think some comments were because people didn't read instruction, so they believed that they received the product which doesn't work. The point is that alarm has to be activated. What has lots of sense. I have the same model in our rooms which were connected by fire brigade and one of them got faulty after 8 years, which I think it's not bad. I hope replacement will work for many years too. ### ⭐⭐⭐⭐⭐ Simple & smart appearance, easy installation *by J***L on 19 April 2019* Arrived very promptly. I was pleased to see that the expiry dates on my 3 units were Dec-2029 and Feb-2030, so they are evidently new stock. If you are wondering, like me, what the difference is between FireAngel's ST-620, ST-622 and ST-750 alarms, all of which are thermoptek, identical in size and seem to have the same specification in the data sheets & manuals supplied by FireAngel, the answer apparently is that the sensors are slightly different, the ST-750 being the newest. The face of the alarm is simple: one big button and one flashing light, unlike some that have multiple buttons for different purposes. There is a single LED that flashes every 40 seconds to show it is operational; I have yet to see how bright this appears at night, so I've not yet put up the one for my bedroom. Incredibly simple to put up; with two long slots in the base plate at 90 degrees to each other, it doesn't matter if your two screws don't go in exactly where you planned! and it means you can rotate the base plate a little if you want the face of the alarm aligned in a particular direction. I gave 5 stars for "battery life" on the basis that the battery is meant to last 10 years, which is a big bonus - no additional expenditure on an expensive 9V battery (or whatever) every two years. Obviously I'll only be able to comment on actual battery life in 2029! I was spending Β£10 ten years ago on basic smoke alarms, so this one is ace value, having a thermoptek 'heat & optical' sensor. The 'end of life' silence facility is an added bonus, so you aren't driven bonkers by the thing chirruping all night! (nor have to take it down and de-activate it) - it will keep protecting you for up to another 7 days, until you have been able to replace it. Brilliant! ### ⭐⭐⭐⭐⭐ Works perfectly *by M***S on 23 March 2026* Works perfectly. Looks good quality. It replaces an existing one that lasted 5 years. Batteries NOT replaceable. ## Frequently Bought Together - FireAngel ST-750T Thermoptek Smoke Alarm - FireAngel Carbon Monoxide Detector 10-Year Life Sealed Battery - FA3820 Carbon Monoxide Alarm for Home and Holiday - Portable CO Alarm - Travel Carbon Monoxide Detector and Monitor - White - FireAngel Heat Alarm with 10 Year Sealed For Life Battery, FA6720-R (HT-630 replacement, new gen), White --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/53628122-fireangel-st-750t-10-year-thermoptek-smoke-alarm](https://www.desertcart.tn/products/53628122-fireangel-st-750t-10-year-thermoptek-smoke-alarm) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-26*