Specifications include, but are not limited to: Electrofishing control unit must maintain constant voltage, current, and power output while actively electrofishing Electrofishing control unit must allow the user to manipulate power inputs (i.e., voltage, duty cycle, frequency, and waveform) Electrofishing control unit must display and record time of active electrofishing and the power inputs and outputs Electrofishing control unit must have an integrated GPS logger and record coordinates while actively electrofishing Electrofishing control unit must have a port to download recorded data Electrofishing control unit is preferred to be compatible with Firmann 4550/3650 Model PO3606). Low profile array electrode Updated single footswitch Accompany cables (e.g., anode, cathode, input power, etc.)