Check the listing for details. REF TEK Portable Seismic Recording Seismograph 72A-05 Disk Recorder Subsystem. Condition: For parts or not working. Listed at 200.00 USD. REF TEK Portable Seismic Recording Seismograph 72A-05 Disk Recorder Subsystem condition: Working condition unknown, untested, shows signs of previous use, selling AS-IS for parts or repair We are business liquidators. We are not the original purchasers, owners, or operators of this equipment. We sell out items AS-IS, no warranties, guarantees expressed or implied (this is exactly how we buy our items). These items are used, do not assume they will be in brand new mint condition, they will show normal use and wear which means minor scratches, scuffs, or blemishes and maybe dusty from storage, etc. Please take this into consideration when placing a bid or best offer. Please ask ALL questions BEFORE bidding or submitting a best offer We try our best to describe our items as accurately as possible with pictures and description FREE US SHIPPING!