Chuango H4 Alarm system WIFI and GSM

Specifications
Model: H4
Power Supply: DC 12V 500mA
Built-in Battery: 3.7 V 800 mAh Lithium Battery (BL-5B)
GSM Operating Frequency: 850/900/1800/1900 MHz
WiFi: IEEE 802.11b/g/n
Standby Current: <100 mA
Alarm Current: <300 mA
Internal Siren Volume: 105 dB
Max. No. of Connectable Wireless Accessories:
10 Remote Controls, 40 Detectors, 20 Smart Switches
Wireless Radio Frequency: 433/868MHz
Casing Materials: ABS Plastics
Operating Conditions: Temperature: 0°C ~ +55°C
Relative Humidity: <80% (No Condensation)
Size of Alarm Panel (L x W x H): 160 x 160 x 45 mm
Size of Stand (L x W x H): 80 x 80 x 10 mm

Package Details
H4 Home Cloud System x 1
RC-86 Wireless Remote Control x 2
DWC-86 Wireless Door/Window Contact x 1
PIR-860 PIR Motion Detector x 1
H4-PW Smart Switch x 1