# BACtrack

BACtrack is the flagship direct-to-consumer breathalyzer brand from KHN Solutions LLC, selling personal and professional-grade fuel-cell-sensor breathalyzers since 2001. Our S80, S50, Element, and S75 Pro models are listed on the U.S. Department of Transportation's Conforming Products List for Alcohol Screening Devices (ASD CPL), the federal standard for workplace and roadside alcohol testing. Smartphone-connected models (Mobile, Go, C8) pair with the BACtrack app for trend tracking and Apple Health / Google Fit integration. Products ship worldwide from San Francisco; orders include a 1-year warranty and optional recalibration service.

## Commerce Protocol (UCP)
This store implements the Universal Commerce Protocol (UCP) for agent-driven commerce.
- UCP discovery: https://www.bactrack.com/.well-known/ucp
- MCP endpoint: https://www.bactrack.com/api/ucp/mcp
- Sitemap: https://www.bactrack.com/sitemap.xml
- Supported UCP versions: 2026-08-25, 2026-04-08, 2026-01-23

## Pages
- [Accuracy](https://www.bactrack.com/pages/accuracy)
- [Discover](https://www.bactrack.com/pages/discover)
- [Why a Breathalyzer?](https://www.bactrack.com/pages/why-a-breathalyzer)
- [BACtrack Product Manuals](https://www.bactrack.com/pages/product-manuals)

## Products
- [BACtrack C6](https://www.bactrack.com/products/bactrack-c6-smartphone-keychain-breathalyzer)
- [BACtrack C8](https://www.bactrack.com/products/bactrack-c8-breathalyzer)
- [BACtrack Eclipse](https://www.bactrack.com/products/bactrack-eclipse-evidential-breathalyzer)
- [BACtrack Keychain](https://www.bactrack.com/products/bactrack-keychain-breathalyzer)
- [BACtrack S80](https://www.bactrack.com/products/bactrack-s80-pro-breathalyzer)

## Collections
- [BACtrack® Store](https://www.bactrack.com/collections/all-breathalyzers)
- [Smartphone Breathalyzers](https://www.bactrack.com/collections/smartphone-breathalyzers)
- [Pro-Grade Breathalyzers](https://www.bactrack.com/collections/pro-grade-breathalyzers)

## Blog
- [How Many Drinks Does it Take to Reach 0.08 %BAC?](https://www.bactrack.com/blogs/expert-center/35040901-how-many-drinks-does-it-take-to-reach-0-08-bac)
- [Can You Trick a Breathalyzer?](https://www.bactrack.com/blogs/expert-center/35040389-can-you-trick-a-breathalyzer)
- [Factors that Affect BAC](https://www.bactrack.com/blogs/expert-center/35040709-factors-that-affect-bac)

## Policies
- [Privacy policy](https://www.bactrack.com/policies/privacy-policy)
- [Terms of service](https://www.bactrack.com/policies/terms-of-service)
- [Refund policy](https://www.bactrack.com/policies/refund-policy)
- [Shipping policy](https://www.bactrack.com/policies/shipping-policy)
- [Contact information](https://www.bactrack.com/policies/contact-information)