Kidde Vigilant V-SLC2-2 VS4 Series Dual Expansion Module, Two 250-Device Loops, 500 Devices Total, or VS4 Only

Brand: Kidde
ADI #:ED-VSLC22 Model #: V-SLC2-2  Name: Kidde Vigilant V-SLC2-2 VS4 Series Dual Expansion Module, Two 250-Device Loops, 500 Devices Total, or VS4 Only