... - English language SMS and voice reminder, Spanish/Chinese/Russian for optional - With 2 wired zones, 12 wireless zones - With 3 Relay output ... to control your home appliances - Work with external Microphone and speaker - Work with wired & wireless PIR, door/window sensor, smoke/gas ... and play the voice when system gives alarm - Send SMS to 3 mobile phones and auto-dial 3 phones to inform the users - ...