The Deheng Smart Alarm Series:

360° Alert Intelligence: Deheng's audible smoke detectors instantly detect faults and low-battery risks, ensuring no threat goes unnoticed.
Smart Self-Verification: Effortlessly validate system health with one-touch circuit testing via the Test/Reset button.
Nuisance Suppression: The Deheng Smart Detector Series temporarily silence false alarms (e.g., cooking smoke/steam) instantly via smart button—no disruptions to your peace.
Adaptive Quiet Mode™: Automatically activates 10-hour ultra-quiet operation during low-battery alerts, minimizing disturbances while maintaining protection.

Deheng's 10-Year Photoelectric Series:

10-Year Sealed Lithium Power: Deheng's 3V-battery smoke detectors with ultra-low standby current (≤10μA), eliminating battery replacements for a decade and reducing environmental waste by 90% vs. traditional models.

Deheng's 10-Year optical detectors operate flawlessly from 0°C to +40°C and ≤93% humidity, with dust/insect-resistant maze design