Campus security panic button wireless emergency call

Campus, school, hospital security emergency call one press button wireless FSK communication compatible with FOCUS FSK alarm control panel EAVS-2504 campus security surveillance system.
Functions and Specification:
1.Wireless panic button used with focus alarm panel or siren
2.LED working status indication
3.ABS fireproof case
4.Working voltage:3V (CR2032)
5.Working current: static current<=5uA, working current:15mA
6.Emitting frequency:433MHz
7.Emitting distance:100-200m (open area)
8.Working temperature:-10℃~50℃
9.Dimension:85*85*15mm

Fix it in security guard room, teachers room, classrooms and corridor.
Press the key, alarm sent to campus security alarm panel and it is connected to campus broadcast directly to make warning immediately.