GSM Wireless Alarm System With LCD Screen (YL-007M2B)

GSM Wireless Alarm System With following fuctions:
7 wired and 99 wireless defense zones;
LCD screen with time clock display;
3 groups of timely arm and disarm;
Call 6 phones and send SMS to 3 numbers;
10-second automatic message recording;
Voice prompt for main unit & remote operations;
Built-in artificial intelligent English message;
The main unit can be used as a telephone;
Arm, disarm, monitor, and intercom by phone;
Real-time, Delay, 24 hours, Bypass defense zones program;
One-key-control: All the settings can be finished by keypad;
Built-in NI-HI battery, AC-DC shift, automatically recharge.

Technical parameters
Input Voltage: DC12V/1A
Standby Current: < 55mA
Alarming Current: < 450mA
Wireless Frequency: 315MHz, 2262/4.7MΩ
GSM Frequency: 900/ 1800/ 1900MHz
Back-up Battery: NI-HI AAA*6 DC7.2V
Siren Volume: 110dB