HAKINAKU manufactures home safety and air quality monitoring devices, specializing in carbon monoxide detectors, smoke alarms, and smart radon testers.
HAKINAKU is a dedicated provider of environmental safety and air quality monitoring solutions for residential and travel use. The brand's diverse product portfolio includes portable carbon monoxide (CO) detectors, combination smoke and natural gas alarms, and advanced radon testers.
Many HAKINAKU devices are designed with modern smart home integration in mind, utilizing the Tuya App for real-time monitoring via Wi-Fi. Featuring precision sensors, rechargeable lithium batteries, and clear digital displays, HAKINAKU aims to protect households by accurately detecting hazardous gases and maintaining optimal indoor air quality.
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For most portable models like the D6 or HD09, long press the power button to turn the device on. It will typically undergo a warm-up countdown (approx. 35 seconds) to calibrate sensors before monitoring begins.
Ensure your phone is connected to a 2.4GHz Wi-Fi network. Download the Tuya Smart or Smart Life App. On the device (e.g., PT07), quick press the power button 3 times to activate the Wi-Fi icon, then follow the 'Add Device' steps in the app.
If the screen displays 'ERR' and the alarm sounds repeatedly (e.g., 10 times every 30 seconds), it indicates that the gas sensor has failed or the device is broken. Discontinue use and contact support or replace the unit.
When an alarm sounds, you can usually press the 'S' button (or the designated function button) to temporarily silence the alarm. However, if dangerous levels of gas persist, the alarm may resume after a short timeout.