LCD Laboratory Interval Timer from Mexico
Precision battery-powered timer with opto-electronic display for lab experiments, using watch movement for accurate intervals. Falls under HTS 9106.90.55 excluding multi-use precision instruments.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Distinguish from lab measuring devices by emphasizing time-of-day/interval focus per chapter notes
• Battery certification required; solar-assisted models need pure battery classification proof