TROLMASTER - CO� ALARM STATION (AS-1)The AS 1 CO Alarm Station is an audio visual alarm to be mounted inside or outside the room to be monitored, and sound an alarm (both visible and audible) in the event of the CO level going above normal or safe levels. It can be linked to either low or the high level CO sensors, or it can be linked to both sensors for complete redundancy. CONTENT 1 x DSD 1 1x Alarm 1 x 16ft RJ12 Cable 1 x 4ft RJ12 Cable 1 x RJ12 T Splitter Input Voltage: 100~240 VAC,