Complete description, you can see here
Technical features:
- General features:
> Product type: SIP device;
> Voltage feed via network (PoE): IEEE 802.3af, class 3;
> Ethernet: 2 x IEEE 802.3, 10/100 Mbps switch;
> SIP communication + Multicast;
> Central configuration and maintenance;
> Web interface menu;
> Remote volume configuration;
> 4 Watt power amplifier, class D (loudspeaker not included);
> Key for announcement of IP address and for resetting;
> 2 LED status indicators;
> For maintenance purposes: two 3.5 mm jacks for headphone connection;
> 4 freely programmable output pins, configuration via web interface;
> Robust housing for wall-mount;
- Delivery contents:
> Base unit;
> Brackets, screws and expansion anchors for wall mounting;
> Drill template.