SYSGuard 4001-2G Main Unit + WebPack + 2G Module (1 x Temperature & Humidity Sensor included FOC ) | Temperature & Humidity Sensor, 4 pcs sensor input, 5 pcs Configurable Input (Selectable digital input/analog/water detect cable input), 2 pcs relay output, 1 pcs water detect cable input, RS-485, 1 pcs smoke sensor input and 2G Module (SMS)