YoLink Smoke & CO Alarm

Smart wireless combination smoke detector and carbon monoxide detector with an audible alarm. Add life safety and property protection to any YoLink system, whether for residential or commercial applications

SKU: 15615132-1-1-2 Category:
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Smart wireless combination smoke detector and carbon monoxide detector with an audible alarm. Add life safety and property protection to any YoLink system, whether for residential or commercial applications


  • Wireless operation; no 120V outlet or wiring required
  • Industry-leading low power consumption allows for batteries to last up to 10 years, for both the Smoke & CO Alarm and Wireless Communication Base, sparing your time – replacing batteries – and saving money. (Smoke/CO Sensor Head comes with non-replaceable 10 year batteries. As suggested by the NFPA, both smoke and carbon monoxide detector heads should be replaced at least every ten years.)
  • Use the YoLink app to schedule regular automatic detector self-tests, or receive reminders to test the detector manually
  • Be warned of extremely high temperatures exceeding 135°F (57°C)
  • Monitor critical life safety detector status in real-time, using the convenient YoLink app
  • Created automations triggered by smoke/CO alarm activation (e.g. turn on sirens in the home, turn off gas lines, turn on lights)
  • Alexa and IFTTT integration
  • YoLink’s industry-leading long-range communication and low-power operation
  • Provides early-warning fire detection, capable of detecting slow smoldering fires
  • Provides early warning Carbon Monoxide detection. CO is a deadly odorless glass
  • Your smoke/CO sensors on the convenient and user-friendly YoLink app (adding Smoke/CO sensors to your home does not require adding another app)
  • Four-In-One Device: Smoke detection, CO detection, high-temperature alarm, audible alarm
  • Check remotely using the YoLink app, anytime and from anywhere
  • Wireless design does not require the installation of or connection to electrical mains wiring, allowing for a simple, safe, and fast installation, with no electrical or technical experience or knowledge required. Simply mount the base to the ceiling or wall surface, then twist in the detector head*
  • The equipment should be installed in accordance with the National Fire Protection Association’s Standard 72 (NFPA72, National Fire Protection Association, Batterymarch Park, Quincy, MA 02269)
  • Create custom automation using the YoLink app, to trigger responses from other YoLink devices, such as the Siren Alarm, or Gas Valve Manipulator
  • Use the IFTTT service (www.ifttt.com) to create custom automation with YoLink and third-party devices, tailored to your particular needs and your IoT devices (IFTTT is a paid service for more than 3 custom automation)
  • Easy to install and portable; move to other locations as needed
  • Photo-electric smoke detection technology, versus ionization type, provides reduced false alarms and years of trouble-free operation
  • Carefree maintenance, with more years between battery replacement
  • UL (UL217/UL2034) and ETL Listed
  • Proven quality CO sensor, by Figaro of Japan, lasts for 10 years
  • Low-battery alerts give you advanced warning that it is almost time to replace the batteries
  • Extremely easy and fast installation using the YoLink app with Scan & Play


  • YoLink Hub is required. Starting your first YoLink system? Consider one of our kits
  • Pair your alarm with the YoLink Siren Alarm, for critical notifications
  • Pair your alarm with YoLink  In-Wall Switches, so that lights are turned on automatically in the event of a fire. This will add in evacuation at nighttime
  • Pair your alarm with a Valve Controller and Ball Valve Manipulator


  • (1) AJ-939 ANKA Smoke & CO Alarm
  • (1) YS7A01-UC YoLink Communication Base
  • (1) Quick Start Guide


  • Brand: ANKA
  • Model: AJ-939
  • Color: White
  • Compatible Detector Heads: Smoke, Carbon Monoxide


  • YoLink Hub with an internet connection (wired Ethernet or 2.4GHz Wi-Fi). Refer to the Hub user guide for additional information
  • Smartphone or tablet running iOS 9 or higher, Android 4.4 or higher
  • Tools Required: None (Unless wall-mounting, optional)
  • Installation Difficulty Level: Super Easy


  • Semtech® LoRa® RF Module YL09 microcontroller with 32-Bit RISC processor
  • Color: White
  • Detection Sensors: Smoke; carbon monoxide; temperature
  • Temperature Value Accuracy: 1 (°F/°C)
  • Detection Temperature: -4°F-122°F, ±3.6°F (-20°C-50°C, ±2°C)


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