--- product_id: 334346441 title: "Blackt Electrotech(BT35F): Updated Smoke Detection Sensor Alarm DIY 2 PC Pack" brand: "blackt electrotech" price: "AED 74" currency: AED in_stock: true reviews_count: 8 category: "Blackt Electrotech" url: https://www.desertcart.ae/products/334346441-blackt-electrotech-bt35f-updated-smoke-detection-sensor-alarm-diy-2 store_origin: AE region: United Arab Emirates --- # LED status indicator 85 dB loud alarm -10°C to 50°C operating range Blackt Electrotech(BT35F): Updated Smoke Detection Sensor Alarm DIY 2 PC Pack **Brand:** blackt electrotech **Price:** AED 74 **Availability:** ✅ In Stock ## Summary > 🔥 Stay ahead of danger with Blackt Electrotech’s sharp smoke detection! 🚨 ## Quick Answers - **What is this?** Blackt Electrotech(BT35F): Updated Smoke Detection Sensor Alarm DIY 2 PC Pack by blackt electrotech - **How much does it cost?** AED 74 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ae](https://www.desertcart.ae/products/334346441-blackt-electrotech-bt35f-updated-smoke-detection-sensor-alarm-diy-2) ## Best For - blackt electrotech enthusiasts ## Why This Product - Trusted blackt electrotech brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Instant Fire Alert:** 85 dB alarm cuts through noise to keep you safe and sound. - • **Always-On Vigilance:** LED indicator flashes regularly, so you never second-guess your safety. - • **Built for Real Life:** Operates reliably in humid and extreme temps up to 50°C for consistent protection. - • **Compact Yet Powerful:** Covers 25 sqm with sleek design—perfect for modern homes and offices. - • **Effortless DIY Setup:** Mount on ceiling or wall in minutes—no hassle, no stress. ## Overview The Blackt Electrotech BT35F Smoke Detection Sensor Alarm 2-pack offers reliable, high-sensitivity smoke detection with an 85 dB alarm and clear LED alerts. Designed for easy DIY installation, it operates effectively in temperatures from -10°C to 50°C and up to 95% humidity, covering up to 25 square meters per unit. Ideal for homes, apartments, and public spaces, it ensures continuous monitoring and low maintenance to protect your property and loved ones. ## Description Blackt Electrotech(BT35F): Updated Smoke Detection Sensor Alarm DIY 2 PC Pack : desertcart.in: Home & Kitchen Review: Value for money - I found this product very good and useful. I have even tested it by burning paper and it gave alarm very soon. I will recommend it Review: Does its purpose - Does its purpose tested with smoke also working but battery should be included ## Features - [Reliable Smoke Detection]: Engineered to detect smoke effectively and alert you with an 85 dB loud alarm, protecting your property and loved ones from potential fire damage. - [Continuous Monitoring System]: Equipped with a clear LED indicator that flashes once per minute during standby mode and rapidly upon smoke detection to ensure constant vigilance. - [Simple Setup and Upkeep]: Designed for easy ceiling or wall mounting, operating with low-maintenance convenience and featuring a warning notification when power needs replacement. - [High Sensitivity and Stability]: Functions reliably under challenging conditions, operating within -10°C to +50°C and humidity levels below 95% RH while accurately sensing medium-density smoke. - [Versatile Indoor Applications]: Ideal for deployment across residential homes, apartments, hotels, and public spaces to provide dependable indoor fire safety protection. - [Compact Coverage Design]: Covers an area of up to 25 square meters with a streamlined structure for a hassle-free installation and setup process. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0946XVYM2 | | Alarm | Yes | | Best Sellers Rank | #22,676 in Home Improvement ( See Top 100 in Home Improvement ) #53 in Fire Safety | | Brand | Blackt Electrotech | | Colour | White | | Country of Origin | China | | Customer Reviews | 3.8 out of 5 stars 142 Reviews | | Item Weight | 240 Grams | | Manufacturer | Blackt Electrotech | | Number of Items | 2 | | Operating Humidity | 95 percent | | Power Source | Battery Powered | | Product Style | Alarm | | Sensor Type | optical | | Style | Alarm | | Unit Count | 2.0 Count | | Upper Temperature Range | 50 Degrees Celsius | ## Product Details - **Brand:** Blackt Electrotech - **Style:** Alarm - **Power Source:** Battery Powered - **Colour:** White - **Item Weight:** 240 Grams - **Alarm:** Yes - **Operating Humidity:** 95 percent - **Upper Temperature Rating:** 50 Degrees Celsius - **Sensor Type:** optical - **Number of Items:** 2 ## Images ![Blackt Electrotech(BT35F): Updated Smoke Detection Sensor Alarm DIY 2 PC Pack - Image 1](https://m.media-amazon.com/images/I/71CYglJD-SL.jpg) ![Blackt Electrotech(BT35F): Updated Smoke Detection Sensor Alarm DIY 2 PC Pack - Image 2](https://m.media-amazon.com/images/I/61VAjDa1Z5L.jpg) ![Blackt Electrotech(BT35F): Updated Smoke Detection Sensor Alarm DIY 2 PC Pack - Image 3](https://m.media-amazon.com/images/I/61YmXqI+IbL.jpg) ![Blackt Electrotech(BT35F): Updated Smoke Detection Sensor Alarm DIY 2 PC Pack - Image 4](https://m.media-amazon.com/images/I/61EJqNuIq8L.jpg) ![Blackt Electrotech(BT35F): Updated Smoke Detection Sensor Alarm DIY 2 PC Pack - Image 5](https://m.media-amazon.com/images/I/71FM4peV8XL.jpg) ## Questions & Answers **Q: 1. What type of fire does this smoke detector identify?** A: It detects smoke generated by developing fires and triggers an 85dB alarm to provide early warning for safer evacuation. **Q: 2. How loud is the alarm?** A: The built-in siren produces an 85dB alarm, making it loud enough to alert occupants in nearby rooms during emergencies. **Q: 3. What area can one detector cover?** A: One unit provides effective smoke detection coverage for areas up to approximately 25 square meters under normal conditions. **Q: 4. Does it require wiring for installation?** A: No, it operates on a 9V battery (not included) and can be mounted easily on a ceiling or wall without wiring. **Q: 5. How do I know the detector is working?** A: The LED flashes once every minute in standby mode and flashes rapidly with the alarm when smoke is detected. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Value for money *by A***R on 6 August 2026* I found this product very good and useful. I have even tested it by burning paper and it gave alarm very soon. I will recommend it ### ⭐⭐⭐⭐ Does its purpose *by S***R on 5 July 2026* Does its purpose tested with smoke also working but battery should be included ### ⭐⭐⭐ Works after burned down *by S***G on 24 May 2026* Average Product bcz its working Very slow alarm After everything burned down ## Frequently Bought Together - Blackt Electrotech(BT35F): Updated Smoke Detection Sensor Alarm DIY 2 PC Pack - Blackt Electrotech BT35 DIY Smoke Detection Sensor System with Alarm 85 dB Easy Installation and Maintenance Free for Small Family, Hotel, and Apartment (White) - Fire Stop Car and Home Fire Extinguisher (Pack of 2) --- ## 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.ae/products/334346441-blackt-electrotech-bt35f-updated-smoke-detection-sensor-alarm-diy-2](https://www.desertcart.ae/products/334346441-blackt-electrotech-bt35f-updated-smoke-detection-sensor-alarm-diy-2) --- *Product available on Desertcart United Arab Emirates* *Store origin: AE* *Last updated: 2026-08-30*