Recessed Spotlight, COB 68, 350 mA, 4,000 K, Square silver, Symmetric, 660 lm, Constant current, Rated Input Voltage: 16-17 V/DC, Rated Current: 350 mA, Dimmable: Yes, Dimmable via optional power supply unit, Aluminium, Brushed, EEI: D, IP 20, Length: 78 mm, Width: 78 mm, Height: 46 mm, Cut Out Diameter: 68 mm, Working Temperature: -5 to 40 °C, Life Time L70 / B50: 20000 h