• Up to 28 wireless devices + 2 Hard-wired devices monitoring 
• Telephone dialing up to 4 user phones and response system
• 8 PIN codes + 8 remote learning capacity
• LCD display and voice output for status reports
• 98dB internal siren
• Voice: English
• 7.2V 2100mAh rechargeable NiMH battery pack

GSM Module (Internal)

• Tamper alert issued in the event of transmission jamming, communication breakage with the PowerMax Pro, removal of cover or prying from the wall 
• Send SMS to designated 4 phone numbers immediately in case of illegal attack 
• Event reporting and remote operation through Short Message System
• Continuous monitoring of channel integrity and "signal loss" detection
• Can be installed witout fixed telephone line 
• SIM card is not included