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Based on current market data and technical documentation as of early 2026, here is the rough pricing and realistic reliability data for the Ushio Care222® B1 module.
1. Rough Price (Single Module)
* Estimated Price: $1,500 – $1,800 USD (for the module alone).
* Finished Fixture Price: If you are buying a "ready-to-use" downlight or wall unit (e.g., UV-Downlight222 or similar), the price is typically $2,200 – $2,500 USD.
* Note: Ushio primarily sells these modules B2B (business-to-business) to OEMs. If you are an individual trying to buy just one, you will likely pay the higher end of this spectrum or need to buy a finished fixture to get the module.
2. Real vs. Advertised Lifespan (L70)
This is where the discrepancy you suspected exists. While the technology has improved, there is a massive gap between the "lab" data and the "guaranteed" reality.
| Metric | Hours | Context |
|---|---|---|
| Advertised L70 | 11,000 hours | Ushio released "life test data" in 2022 claiming 30% degradation (L70) occurs only after 11k hours of continuous run time. |
| Real / Warranted Life | ~1,500 – 3,000 hours | Most distributors and OEM partners only warrant the module for 1,500 hours of active operation (or 2 years, whichever comes first). |
Why the huge gap?
* Cycling Stress: The 11,000-hour claim is often based on continuous operation or