Brand System Sensor
Type Smoke Detectors
Model 2151A
MPN 2151
Unit Quantity 1

Check the listing for details. System Sensor 2151A (READ). Condition: For parts or not working. Listed at 7.79 USD. Was going to install this on a system but it was tested with a magnet way too strong and basically got fried.

$6.23
$7.79