Wireless GSM SMS Home Burglar Security Alarm System – Link 

Cafago has this priced at $54.96. Drop the total to $38.58 with code: ZS490MG

• Support SMS and dialing alarm.
• 8 wired defense zones and 99 wireless defense zones.
• At most 5 wireless remote control codes.
• LCD display. Built-in clock.
• SMS prompt automatically about low power of battery.
• Can store 6 group of phone numbers and 2 group of SMS numbers.
• Built-in artificial intelligent digital voice announcer.
• Users can make calls by using keypad on alarm panel, just like a telephone.
• One-key-control function: Out Arm, Home Arm, Remote Arm.
• SOS ,fire, gas, door, hall, window, balcony, and perimeter places alarm.
• Real-time, delay, 24 hours, bypass defense zones programming function.
• Wireless coding, easy to add additional wireless accessories.
• Remote control arm, disarm, monitor, and intercom by phone.
• Built-in 7.4V 500mAh rechargeable Battery, make alarm when power off.