I found a BRK 79DCRI on eBay a while ago. I didn’t buy it because I had already spent my “smoke alarm” budget on the 76RS and 1839N. It’s a cool alarm though. I believe it’s one of the first AC smoke alarms with 9V battery backup.
I found a BRK 79DCRI on eBay a while ago. I didn’t buy it because I had already spent my “smoke alarm” budget on the 76RS and 1839N. It’s a cool alarm though. I believe it’s one of the first AC smoke alarms with 9V battery backup.