Check the listing for details. Sacher Lasertechnik Benchtop Laser Diode Controller PilotPZ 500. Condition: Used, Made in Germany. Listed at 149.00 USD. Sacher Lasertechnik Benchtop Laser Diode Controller PilotPZ 500 The PilotPZ is a laser diode controller (0-500mA) together with laser diode temperature controller (0-2A) , Piezo Amplifier (-13V - +13V) and Function Generator (0.1Hz - 10kHz) combined in one bench-top instrument. The controller features low noise laser current and highly stable temperature control. Remote control via USB, GPIB / IEEE 488.2, and RS232 interface. Unit powers on and is in working condition. I do not have an external cavity laser to be able to test all functions. Working hours is at 991 hours. The warranty void seals are intact. The cosmetic condition is good. Comes with 2 keys for power and a power cord. Serial number: 0909205