Interconnected Ionization Smoke Detector System from China
A set of ionization smoke detectors that communicate wirelessly or via wiring to sound all units simultaneously upon detection, using beta/gamma radiation principles. Falls under HTS 9022.29.40.00 as specialized smoke detection apparatus based on ionizing radiations for residential safety. Includes mounting hardware.
Duty Rate — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide interconnection wiring diagrams and FCC compliance for wireless models to speed clearance
• Batch import licenses for multiple units to streamline radiation source declarations
• Check for state-specific fire code requirements that may affect labeling and admissibility