Wireless SOS Emergency Panic Button 433MHz One Key Alert Alarm Button For Home Security Alarm System Elders Emergency Button

Working voltage: DC12V(using one 12B 23A battery)
Static current: 0.04mA
Transmission frequency: 315MHz
Transmission distance: 100 meters (open space) indoor 30-50 meters or so
Product packaging: plastic packaging
External dimension: 65mm*38mm*15mm