The **Apollo Discovery Category O Sounder VAD Base with Isolator 45681-700** combines audible alarm notification, white-flash visual warning, detector mounting, and short-circuit isolation in one compact addressable device. Suitable for commercial, healthcare, educational, residential, and industrial applications, it helps improve occupant notification, protect the fire alarm loop, and support a cleaner installation.

Discover the **Apollo Discovery Waterproof Manual Call Point 58200-950 and 58200-951 with isolator**, designed for reliable manual fire alarm activation in outdoor, industrial, commercial, and moisture-prone locations.

Discover the **Apollo Discovery Manual Call Point 58200-910 and 58200-908 with isolator**, designed for reliable addressable fire alarm activation, accurate device identification, easy resetting, and improved loop protection in commercial and industrial buildings.