Focus Wireless hooter two way communication

Siren wireless MD-204R for indoor use with meian tech Focus alarm systems
Functions and Specification:
1.It can work with control panel(two way communication), magnetic contact, panic button and keyfob.
2.It makes alarm sound and provide arming and disarming chirps.
3.It is with tamper function and it self-checks periodically and report.
4.Only one MD-204R siren can be used with a control panel.
5.It can work with wireless detectors without panel. It makes alarm sound for 2 minutes and it will hooter as well when there is tamper with its registered detector.
6.It can be controlled by keyfob without panel. It can be triggered, stopped, into close status or open status.
7.Alarm sound: 115dB
8.Working range: up to 100m (open area)
9.Frequency:433MHz
10.Backup battery:7.2V 1.0Ah
11.Alarm current:500mA
12.Stable current: 8mA