... in web server, support web browser configure updateSupport two-way audioSupport Dual steam, Internet transmission and localstorage ... wep128, wpa, wpa2, Wireless Power: 13dbmKey FeaturesTwo way AudioYesDual stream functionTransmission with low bit-rate video streaming ... image snapshot, video recordingPre-recording Alarm TriggerAlarm 10 seconds previous recording, support alarm upload, Video lost, motion ...