The YAR- 5-LP-SF from IPG Photonics is a Optical Amplifier with Input Power 1 to 5 mW, Saturated Output Power 5 W, Saturated Output Power 5 W, Input Power 1 to 5 mW, Supply Voltage (AC) 100 to 240 VAC, 50 to 60 Hz single-phase. More details for YAR- 5-LP-SF can be seen below.