- Version with LED Module. - Outer adjustable ring from die-cast aluminium. - Aluminium spot inside. - 19W power consumption driven at 500mA. - 26W power consumption driven at 700mA. - Efficient thermal management. - Operation life: 50,000 hours with efficiency > 80% of the initial luminous flux (L80B10). - Connection for operation with Constant Current. - CRI: min. 80 / SDCM: 3 - Luminus Efficacy: 19W: 4000 K: 156 Lm/Watt 19W: 3000 K: 149 Lm/Watt 26W: 4000 K: 154 Lm/Watt 26W: 3000 K: 148 Lm/Watt Upon request: Available with highest colour rendering index (CRI)