... CE certificate 3 year warranty Wolf Guard GSM Alarm with Intercom & Touch Keypad (YL-007M2BX)very ... gas, door, hall, window, balcony, and boundary places alarm;12. Real-time, delay, 24 hours, bypass defense ... intercom by phone;14. Record checking: the device can store 30 alarm records;15. Different arm status: out ... timely arm;16. Alarm call has the priority: even when the number of the device is busy;17 ...