First Alert SCO5CN Battery Smoke and CO Combination Alarm from Japan
Dual-sensor battery-powered alarm detecting both smoke and carbon monoxide with distinct alarm patterns and end-of-life timer. Under HTS 8531.10.00.15 for battery-powered smoke detectors (CO secondary), serving as comprehensive fire safety devices. Electrochemical CO sensor with 5-year battery life.
Duty Rate — Japan → United States
11.3%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• UL 217 (smoke) + UL 2034 (CO) dual certification mandatory; single cert causes rejections
• Declare sensor types separately in statistical notes for accurate reporting
• Combination units higher scrutiny for primary function determination