IRIS (1-4) L M > Loops: 1 to 4 (both TTE and SS loops can be mounted in random configuration); > Devices per loop: 250 (TTE loop)/ 198 (SS loop); > Standard: EN54 - 2/4 certified; > Programmable inputs/outputs: up to 250; > Zones: 96; > Display: 320/240 touch screen; > Outputs (monitored, relay): 4;