Smart Smoke / CO Detector (WiFi-enabled) — HS Code
WiFi-enabled smoke detectors and carbon monoxide alarms with smartphone notifications
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HS Code
8531 — Electric sound or visual signalling apparatus
Classification Context
Chapter
Chapter 85 — Electrical machinery and equipment
Heading
8531 — Electric sound or visual signalling apparatus
Applicable Rule
GRI 1 — smoke and CO detectors are signalling apparatus under 8531.10; WiFi connectivity is ancillary
Prior Rulings
EU — EBTI (Binding Tariff Information)
Search EU EBTI databaseUS — CBP CROSS Ruling Database
Search US CBP CROSS rulingsUK — HMRC Trade Tariff
View UK Trade Tariff commodityClassification Notes
Smoke detectors, carbon monoxide detectors, and combination CO/smoke alarms are 8531.10 (burglar and fire alarms). WiFi or Z-Wave connectivity for smartphone notifications does not change classification. Battery-powered standalone smoke detectors are also 8531.10. Heat detectors: 9025.19. Smart combo (smoke+CO+air quality): 8531.10 — alarm function dominates. Interconnected multi-unit wired systems: 8531.10 per detector unit. EU: 2.3%; UK: 2%; US: Free. Products must comply with local fire safety standards (EN 14604 in EU) — separate from customs requirements.
MFN Duty Rates by Market
European Union
8531.10.30
EU Combined Nomenclature (CN) rate — applies to all 27 EU member states
United States
8531.10.30
US Harmonized Tariff Schedule (HTS) MFN rate — Section 301 tariffs may add to China-origin goods
United Kingdom
8531.10.30
UK Global Tariff (UKGT) — post-Brexit tariff schedule, independent of EU CN
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9032.10.20
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8518.22.00
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8528.71.13
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8509.40.00
Smart Door Lock / Keypad Lock / Fingerprint Lock
8301.40.11
Official Sources & References
WCO HS Nomenclature
World Customs Organisation — the international standard behind all HS codes
wcoomd.org
EU TARIC Database
European Commission integrated tariff — EU Combined Nomenclature (CN) rates
ec.europa.eu
US HTS Schedule (USITC)
United States International Trade Commission — official US Harmonized Tariff Schedule
hts.usitc.gov
UK Global Tariff (HMRC)
His Majesty's Revenue and Customs — UK Trade Tariff post-Brexit
trade-tariff.service.gov.uk
Disclaimer: Duty rates shown are MFN (Most-Favoured-Nation) base rates sourced from live tariff database and verified April 2026. Actual duties may differ based on country of origin, applicable trade agreements (e.g. GSP, CETA, UK-EU TCA), anti-dumping measures, or changes to tariff schedules. Always verify with the official tariff database of the importing country before making customs declarations.
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