--- product_id: 86160751 title: "ST-622T Smoke Alarm, 2 Pack" brand: "fireangel" price: "424 zł" currency: PLN in_stock: true reviews_count: 13 category: "Fireangel" url: https://www.desertcart.pl/products/86160751-st-622t-smoke-alarm-2-pack store_origin: PL region: Poland --- # 10-year sealed lithium battery Thermoptek multi-sensor tech Smart Silence for nuisance alarms ST-622T Smoke Alarm, 2 Pack **Brand:** fireangel **Price:** 424 zł **Availability:** ✅ In Stock ## Summary > 🔥 Stay ahead of danger with decade-long, smart fire detection! ## Quick Answers - **What is this?** ST-622T Smoke Alarm, 2 Pack by fireangel - **How much does it cost?** 424 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/86160751-st-622t-smoke-alarm-2-pack) ## 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 - • **Smart Silence Function:** Temporarily mute false alarms with a simple press—perfect for those kitchen moments without missing safety. - • **Toast Proof Technology:** Minimizes nuisance alarms from cooking fumes so your home stays safe without the constant beeping. - • **Decade-Long Peace of Mind:** 10-year sealed lithium battery means zero hassle and reliable protection for a full decade. - • **Trusted by UK Fire Services:** Used by 90%+ of UK Fire & Rescue, this alarm is the professional’s choice for home safety. - • **Advanced Thermoptek Detection:** Combines optical & thermal sensors for lightning-fast fire alerts, catching both flaming & smouldering fires. ## Overview The FireAngel ST-622T Smoke Alarm 2 Pack features cutting-edge Thermoptek multi-sensor technology that rapidly detects both fast flaming and slow smouldering fires. With a 10-year sealed lithium battery, it guarantees maintenance-free protection for a decade. Its Smart Silence and Toast Proof functions reduce nuisance alarms, making it ideal for modern homes. Trusted by over 90% of UK Fire & Rescue Services, this alarm combines professional-grade safety with user-friendly design. ## Description From the manufacturer ST-622 Simple to install and easy to test and silence, the ST-622 smoke alarm is designed to alert the household to the presence of smoke and provide precious time to escape. Alarm Screws Baseplate Manual 10 Year Thermoptek Smoke Alarm ST-622 Using the sensing technology of choice for the UK's Fire and Rescue Service, the FireAngel ST-622 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 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: All good. No issues - Very good Easy to install and a long battery life Review: Reasonable price -A must have! - Decent price hope they work ## 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 - Product life span: 10 year. Battery life: 10 year sealed for life Battery - Certified to BS EN14604: 2005 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00OTN2P3O | | Average Battery Life | 10 years | | Batteries | 1 Lithium Metal batteries required. | | Batteries Required? | No | | Batteries included? | No | | Battery Cell Type | Lithium | | Best Sellers Rank | 42,821 in DIY & Tools ( See Top 100 in DIY & Tools ) 123 in Smoke Alarms | | Colour | White | | Customer Reviews | 4.5 4.5 out of 5 stars (9,219) | | Date First Available | 8 Aug. 2018 | | Delivery information | We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. | | Included Components | 2x Smoke Alarms + Base Plates, 4x Screws, 4x Rawl Plugs, 1x Instruction Manual | | Item Package Quantity | 1 | | Item Weight | 310 g | | Item model number | TST-620Q | | Manufacturer | FireAngel Safety Technology Ltd | | Material | ABS | | Part Number | TST-622Q | | Pattern | Smoke Alarm | | Power Source | Battery Powered | | Product Dimensions | 12.9 x 12.9 x 3.3 cm; 310 g | | Size | 2 Pack | | Style | TST-622 | | Voltage | 3 Volts | ## Product Details - **Alarm:** Audible - **Brand:** Fireangel - **Colour:** White - **Item weight:** 310 Grams - **Operating humidity:** Up to 90% RH non-condensing - **Power source:** Battery Powered - **Product dimensions:** 3.4D x 13W x 13H centimetres - **Sensor type:** Photoelectric - **Style:** TST-622 - **Upper temperature rating:** 38 Degrees Celsius ## Images ![ST-622T Smoke Alarm, 2 Pack - Image 1](https://m.media-amazon.com/images/I/51bX4mVQEtL.jpg) ## Questions & Answers **Q: One of the detectors doesn’t work** A: Return them. Contact Amazon https://www.amazon.co.uk/gp/orc/returns/homepage.html/ref=orc_surl_ret_hp?ref_=orc_spr_home_page_rdr&fg=1 **Q: Can you use with 3m magnetic plates** A: Yes. Works really well with them. **Q: What does the diameter of the baseplate measure please?** A: Alarm is 130mm across, the baseplate or fixing plate is 120mm **Q: how loud is it ie how many decibels many thanks** A: Thank you for your enquiry. The answer to your question is 85dB(A) at 3m (minimum). If you require any further information please do not hesitate to contact us directly. ## Customer Reviews ### ⭐⭐⭐⭐⭐ All good. No issues *by D***K on 27 October 2025* Very good Easy to install and a long battery life ### ⭐⭐⭐⭐⭐ Reasonable price -A must have! *by A***T on 18 January 2026* Decent price hope they work ### ⭐⭐⭐⭐⭐ Smoke detector *by M***E on 16 January 2026* Bought as replacements for previous "fire Angel" smoke detectors (as they had expired) easy to test/install ## Frequently Bought Together - Fireangel TST-622Q Smoke Alarm, 2 Pack - FireAngel Carbon Monoxide Alarm and Detector - FA6813 10-Year Sensor Life CO Alarm for Home with AA Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector Monitor with Test Button - FireAngel Heat Alarm with 10 Year Sealed For Life Battery, FA6720-R (HT-630 replacement, new gen), White --- ## 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.pl/products/86160751-st-622t-smoke-alarm-2-pack](https://www.desertcart.pl/products/86160751-st-622t-smoke-alarm-2-pack) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-25*