Essential Maintenance for Deheng Photoelectric Smoke Alarms

As a leading RoHS and REACH certified manufacturer in Hangzhou, Deheng Smart Electric designs its DH-001 and DH-101 Photoelectric smoke detectors for both reliability and easy maintenance. Proper care ensures your photoelectric smoke alarms provide years of dependable protection.

Monthly Testing Protocol

For DH-001 (10-Year Alarm with Smart Silence Button):

4.Confirm LED indicator flashes during test

For DH-101 (9V Battery Classic Photoelectric Smoke Alarm):

• Press test button briefly
• Check voice alert functionality

Battery Management Guidelines

DH-001 Battery Management:

• Sealed lithium battery lasts full 10-year lifespan
• No battery replacement needed

DH-101 Battery Replacement:

• Replace 9V external batteries annually
• Use only high-quality batteries 
• When low battery warning chirps, replace within 24 hours

Cleaning and Care Instructions

For Both Smoke Alarms:

• Gently vacuum exterior every 6 months
• Wipe with dry microfiber cloth
• Never use liquid cleaners or solvents
• Avoid painting over unit

Why Choose Deheng Smoke Alarms?

• Hangzhou manufactured quality
• RoHS compliant components
• REACH certified materials
• Optimized for easy maintenance