Description : The ST-SL-23W-R135 is a high-performance surface-mounted luminaire designed for high-ceiling architectural spaces and commercial interiors. Delivering a powerful 20–23W output, it features a precision 45° beam angle that balances punchy accent lighting with uniform coverage. Housed in a robust cylindrical body with a 135mm diameter, this professional IP20 fixture is engineered for superior thermal dissipation and long-term reliability in premium dry-environment applications