... windows pcMobile PlatformNo need to install software, Multi-screen monitoring and managing by mobile phone,alarming ... alarmSystemOperation systemEmbedded Linux OSSystem securitySupports three-level account, password, user multi-level authority managementDDNSProvide DDNS for free,like ... be set Adjustmentlight intensity,contrast ratio,saturation level are adjustable.NightvisionIR-CUTBuilt in IRCUT,no ...