The XENA XA301 external siren unit for XA101 and XA201 Zone Alarms extends the reach of the blaring 135 dB alarm. The unit is easy to install: simply mount, insert batteries and connect to the base unit with the 10m (30ft.) cable provided. Once connected, the siren will sound if the main alarm is triggered or the connection is tampered with.

Features:

• For Use with XA101/201
• 35 dB Alarm
• Built Tough

Battery:
4 x Alkaline AA batteries

Battery life:
Approximately four months (based on five arm-and-disarm cycles per day, alarm activation four times per day).