The emergency button, panic button (One Button) (YCJJ100) is widely used in wireless security alarm.

Specifications:
Operation Voltage: 9-12V DC
Quiescent Current: 0mA
Operating Current: <15mA
Transmitting power: >15mW
Transmitting Distance: 100m(Out space)
YCJJ300: 300m (out space)
Operation Frequency: 310.315.433MHz
Frequency Deviation: 0.2MHz
Modulation Mode: ASK
Data Rate: 50Hz-6KHz