Spire SP550S7. Rated current: 0.15 A, Power consumption (typical): 1.8 W, Voltage: 12 V. Operating temperature range (T-T): 30 - 70 °C, Storage temperature range (T-T): -10 - 40 °C. Heatsink dimensions (W x D x H): 90 x 90 x 35 mm. Mean time between failures (MTBF): 30000 h