E-C Apparatus EC600 electrophoresis power supply
Condition:  Good.  Fully functional.
Guarantee:  15-day money back
Specifications:

• Output voltage:  4000V maximum
• Output current:  200mA maximum
• Four constant voltage ranges: 0-500v, 0-1000v, 0-2000v, and 0-4000v
• Two constant power ranges:  0-20W and 0-200W
• Four constant current ranges: 0-5mA, 0- 20 mA, 0-50 mA, and 0-200 mA 

  
Electrophoresis power supply to run up to 2 gels simultaneously. The EC-600 power supply operates in 3 modes: constant power, constant current or constant voltage. Constant power mode is especially crucial for certain laboratory techniques.