Wireless SIM GSM Home RFID Burglar Security LCD Touch Keyboard WIFI GSM Alarm System Sensor kit English, Russian, Spanish Voice

Q:It just with WIFI in my house and without telephone line, can I use this alarm system can work in WIFI mode or GSM module. Q:Can I add additional remote controllers, door sensors, pir sensors, smoke detectors, gas detectors or other sensors to work with this alarm system How many can work with 100 pcs wireless alarm accessories Q:Does the alarm panel with backup battery with internal rechargeable backup can support work about 46 hours. Q:What is the dimensional Brand:eMastiff