★ 4.3
SITERWELL Smoke Detector Review: Is the GS509A Worth It?
I installed the SITERWELL GS509A smoke detector 6-pack in my parents' home last spring, replacing a hodgepodge of older alarms that were well past their prime. After three months of living with them daily, here's what I actually think of these photoelectric fire alarms — the good, the limited, and the genuinely useful extras you might not expect.
haunh5 min read