The SI-200 I is a low-cost, single-channel gas detection panel with a large LCD display and built-in sound + light indicator. - Ideal for connection to the SI-100C, it accepts a 4-20 mA input, has a large digital display and relay contacts for triggering alarms. - Available with a built-in uninterruptible power supply, ensuring smooth operation of the system even during power outages. - Exceptionally easy to install, configure and operate, it provides the ideal basis for a simple, single-sensor gas detection system.