Used item in good condition. Please see photos for reference. Your Feedback Matters We strive to provide a great experience with every purchase. If you're satisfied, we’d be grateful if you could take a moment to leave us positive feedback—it truly means a lot to us.If anything isn’t right with your order, please contact us directly before leaving feedback. We're committed to resolving any issues quickly and making things right.Product Overview Compatible with control panels using Contact ID, SIA, Pulse 3/1 or Pulse 4/2 communication formats, Modem II, Modem IIe, and Modem IIIa2 (auto detecting)Supports Ethernet directly and optional plug-in cellular communication technologies in single, or multi-path configurationsApproved for Commercial Fire/Burglary applications as sole, primary, or secondary communication path