◎ Double flashing light.
◎ Built-in tweeter.
◎ 2-way communication with alarm control panel.
◎ Can arm/disarm by remote controller.
◎ with tamper alarm.
◎ Can enroll 16wireless devices.
Wireless communication distance：100m （In the open area）
backup power：7.4V/1000mAh(Rechargeable lithium battery)
Alarm loudness: about 100dB
Sirens ringing time: 150 seconds
Trigger mode: When arm by remote, the detector and magnetic
contact etc. which have coded with the siren will alarm when
they are triggered.Or the panel send signal to the siren,and
it makes alarm.
It can code with Max 16 wireless device.