Silent Knight SD505-APS Smoke Detector (Refurbished - 90 Day Warranty) Both speaker circuits produce a

Both speaker circuits produce a combined total of 50 watts of power

With this polling scheme

and strobes

and use a Xenon flashtube with solid state circuitry enclosed in a rugged Lexan® lens to provide maximum reliability for effective visual signaling

Silent Knight SD505-APS Smoke Detector (Refurbished - 90 Day Warranty) Both speaker circuits produce aThe SD505 APS compensates automatically for contamination in the environment. Detector calibration test viewing is simpleeven from a remote site. The SD505 APS offers a low profile installation and uses the model SD505 6AB base, compatible with other detectors in the series, allowing for complete application and placement flexibility. Like other Farenhyt smoke detectors, the SD505 APS offers easy installation, stable operation, RF transient