OPTO SPU-220A Signal Processor Unit

PLEASE REVIEW: We would ask that potential buyers please examine the photographs carefully, and understand what you are buying. All questions must be submitted PRIOR to auction close. Your purchase includes a 30 day warranty. We cannot negotiate price or terms after the auction has closed. Payment is expected within 24 hours of auction close, please. We appreciate your consideration! (bcd - 1.18.b)