Alarm Hub:

Wireless Distance: 100m (no obstacle)

Wireless Protocol: 802.11 b/g/n 2.4GHz Wi-Fi, RF 433MHz, GSM

GSM Frequency Band: 850/900/1800/1900MHZ

Sound Intensity: 100 dB

Maximum Sub-device Quantity: 24 detectors (including PIR & Door Sensor) + 10 remote controls

Power Supply: DC 5V/1A

Backup Battery: DC 7.4V Lithium Battery