| Brand | Silent Knight |
|---|---|
| Model | SD505-6RB |
| MPN | SD505-6RB |
| Country/Region of Manufacture | Mexico |
Check the listing for details. Addressable Relay Base, Silent Knight SD505-6RB. Condition: New. Listed at 150.95 USD. These utilize the Hochiki Protocol. They have never been taken out of their boxes.
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