The Anka AJ77x Series Mini Smoke Detector is a compact fire safety product developed by Anka Security specifically for home environments—particularly for high-risk areas prone to false alarms, such as kitchens. This series comprises various sub-models (including the AJ770, AJ771, AJ772, and AJ773) and is widely recognized within the industry as the “Knight/Warrior Series.” Its most significant technical highlight lies in its ability to resolve a critical pain point associated with traditional smoke detectors: their extreme susceptibility to false alarms when installed in kitchens.

Core Technologies and Features

Dual Split-Spectrum / Dual-Tube Sensing Technology: This represents the series’ most pivotal technological upgrade. Internally, it employs an innovative design featuring dual transmitter tubes and dual receiver tubes. By utilizing intelligent algorithms to analyze the characteristics of scattered light, the device can accurately distinguish between harmless steam and cooking fumes (generated during cooking or grilling) versus the dense smoke produced by a genuine fire. This fundamentally eliminates the persistent issue of frequent false alarms often encountered when installing smoke detectors in kitchens.
Wireless Interconnection Network (“One Go, All Go”): Wireless-enabled models within the series (identified by suffixes such as S14 or i4) support local radio-frequency (RF) networking via RF433MHz or RF868MHz bands. Should any single detector detect a potential fire hazard, all interconnected detectors throughout the home will simultaneously sound their alarms.
Location and History Record Functions: When multiple interconnected devices trigger an alarm simultaneously, the user can utilize smart control features to quickly pinpoint exactly “which detector triggered first,” thereby enabling the immediate identification of the fire’s source. Additionally, the device supports the retrieval of historical event logs, facilitating efficient troubleshooting.
Ultra-Compact Dimensions: Significantly smaller in volume than standard traditional smoke detectors (for instance, the AJ770 measures a mere 57mm × 78mm), the device features an exquisite, low-profile aesthetic. It blends seamlessly into a wide variety of modern home decor styles without occupying valuable space.
10-Year Long-Life Battery: Equipped with a built-in, non-replaceable 3V sealed lithium battery (e.g., CR123A). Throughout the product’s entire 10-year operational lifespan, users are completely relieved of the tedious maintenance task of having to replace batteries on an annual basis.

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Anka Smart Detector Alarm Product Video