Heyi · H4-623
The Heyi HY-623 is a wireless photoelectronic smoke detector designed to provide early warning of slow-burning, smoldering fires. It is part of the Heyi smart security ecosystem and is typically used in residential or light commercial settings. Product Overview Sensor Type: Uses a photoelectric sensing chamber that "sees" smoke as it enters, making it more responsive to thick, smoldering smoke than traditional ionization sensors. Connectivity: Features wireless connectivity, allowing it to link directly to an alarm control panel (often using 433MHz or similar frequencies) for centralized monitoring. Design: A sleek, circular white enclosure featuring a central test/mute button and an integrated LED indicator for status visibility. Key Features Audible Alarm: Delivers a loud, high-decibel alarm (minimum 85dB at 3 meters) to alert occupants throughout a building. Hush/Mute Mode: Includes a silence function that reduces sensitivity for approximately 10 minutes to clear false alarms from cooking or steam. Low Battery Warning: Emits a periodic "chirp" sound and a flashing yellow light to