Simplex 4050-81 Category : Simplex The only difference between this and the Simplex 4050-80 is that this runs off of 24 VDC rather than 120 VAC. Brand SimplexModel 4050-81Manufacturer SimplexType Alarm (Light)
GE/EST SIGA-278 Category : EST/Edwards, GEThe metal components on this pull are a bit rusty. It is co-branded by GE and EST.
