Features:
◆ WIFI WAN connection, the alarm status  can be viewed in the phone. No matter where you are,you could known the the alarm immediately.
◆ APP phone and the remote control modes
◆ can be paired to 28 wireless sensors (such as wireless door sensor, wireless sensor head, wireless emergency buttons, etc.).
◆ Outdoor battery back-up WIFI siren  with flashlight.
◆ Continuous frequency modulated sounds.
◆ Tamper  protection  in  3  ways  -screw or cover  opening  or  tearing  housing  from  the wall.
◆ Pairing four wireless remote control.
◆  Siren  period can set as follow trigger or 3 min cutoff.
◆ Optional LED lamp or a xenon lamp.
◆ Alarm when main power failure
◆ Protecting against totally battery discharge.
◆ can be used in a variety of environments.

Specifications: