iZtouch 433MHz Wireless SOS Wrist Wristband Panic Button Alarm Sensor Emergency , Accessories for Wireless 433MHz IP Camera Accessories for iZtouch IZSP-006 IP Camera, you can receive alert on your smart phone and Email It will work with most standard security system which is using 433MHz receiver Easily trigger the WIFI GSM PSTN Alarm The suitable age range for the Panic Alarm Button is open to anyone pressurised with a hectic life! In an emergency or SOS, press the button for help, the main unit will alarm immediately.