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
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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