The TOCSIN 920 offers the user the ability to control up to 250 addressable gas detectors or other devices. The TOCSIN 920 control panel is compatible with the IGD TOCSIN 102, 103, TOC-30, TOC-20 and 903 series of Toxic Flammable and Oxygen detectors and transmitters. The system can control any IGD addressable detectors or device. To compliment the system a range of accessories, calibration sets, and audio-visual alarms are available.