2.1 Optical Performance & Light Distribution
* Beam Angles & Diffusion
- Narrow (10°–30°) – Accent lighting (artwork, retail displays)
- Medium (40°–60°) – Task lighting (office desks, kitchen islands)
- Wide (90°–120°) – Ambient lighting (lobbies, corridors)
* Glare Control (UGR<19) – Critical for workspaces and healthcare
* CRI & TM-30 Metrics
- CRI ≥90 (standard commercial use)
- CRI ≥95 + Rf/Rg >90 (luxury retail, galleries)
2.2 Materials & Build Quality
* Housing Materials
- Extruded Aluminum (IP65 for outdoor use)
- Polycarbonate (impact-resistant for high-traffic areas)
- Borosilicate Glass (premium decorative applications)
* Thermal Management
- Passive Cooling (heat sinks for<50W fixtures)
- Active Cooling (fan-assisted for high-lumen industrial models)
2.3 Smart & Adaptive Features
* Dimming Protocols
- DALI-2 (commercial automation)
- 0-10V / PWM (residential compatibility)
* Tunable White (2700K–6500K)
- Offices (3500K–4000K for focus)
- Hotels (2200K–3000K for warmth)
* PoE (Power over Ethernet) – Emerging in smart buildings