YODN MSD 230S7, HID Discharge Lamp, Power: 20 W, Electric arc: 1.0 mm, Dimensions: 51 x 51 x 61 mm, Lumen Output: 9500 Lm, Light temperature: 7800 K, Burning position: Any, Colour rendering index (CRI): 78 Ra, Average life (hours): 2500, Operating voltage: 75 V