Salient Features- Designed according to EN 60601-1-8:2006-10- Two BCD inputs to select the priority- Strobe to trigger the alarm- Three priority encoded alarms, HIGH, MEDIUM, LOW and also a general purpose alarm.- Inbuilt high performance audio power amplifier- Drives 8 speaker directly. No other external components required- Operates on single 5V supply- Low standby current- Supplied in a pack of 25.