... viewer:(WindowsMobile/Symbian/iPhone/Android/BlackBerry)Powerful CMSSupport 8 users network view simultaneouslySupport Dual-streamSupport SMTP,UPNP, DDNS, PPPOE, etc, ... 485 interface (for PTZ control)GeneralPower Supply12V/3APower Consumption (without hard disk)≤12WWorking Temperature-10°C~+55°CWorking Humidity10%~90%Dimension330 ... (L)×260(W)×50(H) mm Weight(without hard disk)2.6KG