The TA-2016MB-WM gas detection wall-mount controller from Mil-Ram Technology is a 16-channel system (eight-channel available) using an RS-485 Modbus RTU Multi-drop smarter Detector (Sensor) Network. It has four 10 amp relays (SPDT), low/mid/high/fault relays, LED alarm indicators, a local buzzer and backlit LCD auto-scrolls for channel data/fault conditions. The auto-configuration wizard makes channel configuration simple and automatic. It comes in an explosion-proof enclosure with external alarm stations. 510/656-2001; www.mil-ram.com.