---
product_id: 334346441
title: "Blackt Electrotech(BT35F): Updated Smoke Detection Sensor Alarm DIY 2 PC Pack"
brand: "blackt electrotech"
price: "148.89 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/334346441-blackt-electrotech-bt35f-updated-smoke-detection-sensor-alarm-diy-2
store_origin: TN
region: Tunisia
---

# Wireless Optical Sensor 85 dB Loud Alarm 1+ Year Battery Life Blackt Electrotech(BT35F): Updated Smoke Detection Sensor Alarm DIY 2 PC Pack

**Brand:** blackt electrotech
**Price:** 148.89 DT
**Availability:** ✅ In Stock

## Summary

> 🔥 Stay ahead of danger with silent tech that screams safety! 🔥

## 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?** 148.89 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/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

- • **Powerful 85 dB Alarm:** Loud enough to alert your entire home or office, ensuring safety first.
- • **Humidity-Resistant Design:** Reliable performance even in high humidity environments up to 95%.
- • **Long-lasting Battery Life:** Over a year of continuous protection with a simple 9V battery.
- • **Smart Fault & Battery Alerts:** Audio-visual warnings keep you ahead of any sensor or power issues.
- • **Instant Wireless Smoke Detection:** No wiring or assembly needed—plug & protect instantly.

## Overview

The Blackt Electrotech BT35F is a sleek, wireless optical smoke detector pack featuring a piercing 85 dB alarm, over one year of battery life, and smart fault alerts. Designed for easy DIY installation with no wiring, it offers reliable smoke detection even in humid conditions, making it an essential safety upgrade for modern homes and offices.

## Description

Blackt Electrotech(BT35F): Updated Smoke Detection Sensor Alarm DIY 2 PC Pack

## Features

- Faster/Safer Delivery : Continuous Monitoring system, Alarm Unit with 85 dB Alarm Signal
- Optical Wireless smoke detector/Sensor/ Fault Signal warning (by Audio & visual) / No need any assembly or wiring
- Discharged battery indicator/ Test Button/ 9 Volt Battery can use. (Battery Life more than year*)
- Low Power consumption processing/ Special Anti- Humidity More Customer Care : Whapp/Mb: 9657707702

## Technical Specifications

| Specification | Value |
|---------------|-------|
| 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 |
| Manufacturer | Blackt Electrotech |
| Country of Origin | China |
| Product Dimensions | 4 x 4 x 2.3 cm; 240 g |
| ASIN | B0946XVYM2 |

## 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)

## Questions & Answers

**Q: Which type of sensor is used here- Photoelectric or Ionization?**
A: Ionization

## Frequently Bought Together

- Blackt Electrotech(BT35F): Updated Smoke Detection Sensor Alarm DIY 2 PC Pack
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- Fire Stop Car and Home Fire Extinguisher (Pack of 2)

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**Shop now:** [https://www.desertcart.tn/products/334346441-blackt-electrotech-bt35f-updated-smoke-detection-sensor-alarm-diy-2](https://www.desertcart.tn/products/334346441-blackt-electrotech-bt35f-updated-smoke-detection-sensor-alarm-diy-2)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-05-08*