Wolf-Guard from China, since year 1998, for the global security market.
Wolf-Guard provide all kinds of DIY home security products.
Wolf-Guard "All For Your Security"

This APP can help you remotely control Wolf-Guard M2B GSM Alarm System. Help you protect your housing!
M2B specifications:
1. 7 wired and 99 wireless defense zones;
2. LCD screen with time clock display;
3. 3 groups of timely arm and disarm;
4. Call 6 phones and send SMS to 3 numbers;
5. 10-second automatic message recording;
6. Voice prompt for main unit & remote operations;
7. Built-in artificial intelligent English message;
8. The main unit can be used as a telephone;
9. Arm, disarm, monitor, and intercom by phone;
10. Real-time, Delay, 24 hours, Bypass defense zones program;
11. One-key-control: all the settings can be finished by keypad;