433MHz Wireless Home Security Emergency Siren Alarm, Zerone SOS Panic Button Alarm for WIFI GSM Home Security Alarm System with Red Chain INSTANT ACTIVATION: All you need to do is to reach your alarm device, and push one button to set off the siren. Enjoy your walks around the city or your holiday travel without worrying about your safety! Good solution for being attacked by assailants, rapists and dogs BATTERY OPERATED BUTTON: This panic button is operated […]

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