Alarm syatem , 8 gases , AC110V

Type of monitoring:unrestricted
Supply voltage:AC220V(110V) / 50Hz
Power consumption:30W
Input capacity:max. 20 channels
Input signal:4-20 mA
Output contact:2
Output voltage:DC 24V
Output current:3A
Conmmunication interface:RS485
Touch screen size:7 inch (6~16 channels）/ 10 inch (20 channels）
Dimensions:240x200x70 mm Input Capacity
6: 6 channels
8: 8 channels
12: 12 channels
16: 16 channels
20: 20 channels (10 inch)