A recent fatal fire at Wang Fung House in Hong Kong once again exposed a critical fire safety risk in high-density residential buildings:
smoke spreads far faster than flames.

According to fire reports, thick smoke quickly filled stairwells and corridors, cutting off escape routes within minutes. In many real fire incidents, occupants are not harmed by direct contact with flames, but by toxic smoke inhalation before they are even aware a fire has started.

This tragic event clearly demonstrates the direct connection between real-world fire disasters and the role of smoke alarms.
A properly installed smoke alarm can detect smoke at an early stage and alert occupants before conditions become life-threatening, providing crucial time to react and evacuate.

Why Smoke Alarms Are Essential in Modern Buildings

Today’s homes and apartments contain more electrical devices, upholstered furniture, and synthetic materials than ever before. When these materials burn, they produce dense, highly toxic smoke in a very short time.

The importance of smoke alarms lies in three critical advantages:

l  Early Detection – Smoke alarms respond to smoke long before flames become visible

l  Life-Saving Time Advantage – Even a 30–60 second early warning can dramatically increase survival chances

l  Night-Time Protection – Fires frequently occur at night, when human senses are least responsive

In high-rise and multi-family buildings—like those involved in the Hong Kong fire—early warning is not optional. It is a basic fire safety requirement.

Why the Deheng DH-101 Smoke Alarm Makes a Real Difference

Installing a smoke alarm is essential—but choosing the right one is equally important.

The Deheng DH-101 smoke alarm, developed by Hangzhou Deheng Smart Electric, is specifically designed to deliver reliable early warning for residential and light commercial environments, where fast smoke detection can mean the difference between escape and tragedy.

Key Features of the Deheng DH-101 Smoke Alarm

l  Photoelectric Smoke Sensing Technology

The DH-101 uses advanced photoelectric smoke detection, making it particularly effective at sensing slow-smoldering fires—the most common type of residential fire caused by electrical faults or overheating appliances.

l  Loud and Clear Audible Alarm

A powerful alarm sound ensures that occupants are alerted even during deep sleep, reducing delayed reactions during night-time fire emergencies.

l  Stable Performance with Fewer False Alarms

The DH-101 is designed to maintain high sensitivity to real smoke while minimizing nuisance alarms caused by steam or everyday airborne particles, improving user confidence and long-term reliability.

l  Easy Installation and Simple Maintenance

Powered by a replaceable battery, the DH-101 requires no complex wiring, making it ideal for apartments, rental properties, dormitories, offices, and renovation projects.

l  Designed to Meet International Safety Expectations

Deheng smoke alarms are developed in accordance with widely recognized international safety standards, making them suitable for global markets and professional fire safety applications.

Smoke Alarms Are Not Optional — They Are a Necessity

The Hong Kong Wang Fung House fire serves as a powerful reminder that many fire-related tragedies begin with delayed awareness, not blocked exits. While a smoke alarm cannot prevent a fire, it can save lives by providing early warning and valuable escape time.

With dependable detection, stable performance, and a practical design, the Deheng DH-101 smoke alarm offers a reliable solution for improving everyday fire safety.

Whether for homes, apartments, or commercial spaces, installing a high-quality smoke alarm remains one of the simplest, most effective, and most cost-efficient fire protection measures available today.