CRM-VHThe CRM VH is a compact, robust headset solution for the IP Flush Master (CRM V: 1008431000, 1008031000) in a control room communication system. The extremely comfortable single sided headset enables you to hold a conversation without losing track of what is going on around you, so it is an ideal solution for e. g. hospitals and Engine Control Rooms. The system comes with an ON OFF switch, so it is possible to combine it with the handset (1008097100)