Expansion module for the indoor cameras c26, i26, p26 and v26 (mounted on the back) Not suitable for x25 indoor cameras For connecting external sensors (e.g. door and window contacts) and switching external devices (e.g . Relay with lamps and motors) Two inputs (galvanically isolated): 0 to 48 V AC/DC Two outputs: 2x potential-free (load capacity per contact max. 30 W or 1 A or 48V AC/DC) or 2x 12 V DC (max . 50 mA per output) 2x MxBus connection terminals (MxBus function is only supported by later camera hardware versions) Ambient temperature: 0 to 40 °C Power consumption: 1 W