Features of gsm alarm system:

GSM 900/1800/1900 bands, can be used in most parts of the world
Full duplex communication with the host
Monitor the scene environment
Voice and message alert
Set alarm ON or OFF by remote controller
Can set Home Arm and Out Arm mode(Partial Arm Function)
Call in to set alarm ON, OFF, Monitor, Output, Intercom.
Send SMS to set alarm ON, OFF, Monitor, Output
5 group phone + room number
1 group alarm monitor center phone number
2 group phone to report arm and disarm status
Can program 7 groups of alarm messages
3 zones for wired detector
16 zones for wireless detector
2 outputs, can be used with external circuit to control home appliance
Easily set ON or OFF for every wired or wireless detector
SMS inform if external power failure or recovery
Built-in back-up battery

Technical Parameter:
Operating Voltage: DC 12V
Static Current: ≤20mA
Alarm Current: ≤400mA
Wireless Receiving Frequency: 433MHz±0.5MHz/315MHz±0.5MHz
Wireless Receiving Sensitivity: 433MHz±0.5MHz/315MHz±0.5MHz
Anti-interference: 1V/mfrequency:20-1000 MHz
GSM frequency: 900/1800/1900MHZ
Outer Alarm siren volume: 110dB
Working condition: Temperature: -10°c-50 °c
Humidity : ≤90%
Wired Zone : 3
Wireless Zone: 16

Basic component:
- Security Alarm system (control unit) 1 pc.
- Wireless PIR detector 1 pc.
- Wireless door (gap) sensor 1 pc.
- Remote controller 2 pcs.
- Antenna 1pc.
- Mini wired siren 110dB/0.3m 1 pc.
- Power adpater 1pc.
- User manual 1pc.