with a detector that is explicitly certified for your region.
Approximately 10.3cm in diameter and 3.5cm in height. Installation Guide
Displays "0" or remains blank until gas is detected. jkd-512com user manual
Twist the unit counter-clockwise to remove the mounting bracket.
JKD-512COM is a 2-in-1 combination detector designed to monitor both carbon monoxide (CO) and smoke. While widely available on platforms like Amazon and Aliexpress, it is critical to note that major safety bodies, including the , have issued urgent warnings to stop using this specific model (manufactured by Shenzhen Jikaida Technology) because it may fail to alert users to fire or CO. Key Specifications with a detector that is explicitly certified for your region
Insert three AA batteries into the rear compartment, observing correct polarity. The device should beep once to indicate it is powered on. Placement:
Vacuum the unit monthly to prevent dust buildup. Do not use cleaning sprays, solvents, or paints on the device. Twist the unit counter-clockwise to remove the mounting
Install at least 10 feet (3 meters) away from fuel-burning appliances to avoid nuisance alarms. Ceiling: Mount at least 4 inches (10cm) from side walls.