features H.264 video compression P2P cloud function supporting android/iOS devices remote view anywhere anytime. It is also with functions of motion detection alarm dual-stream encoding which is widely used at home shopmarket office and other surveillance needed places.FeaturesSupport 16-ch 1080P network cameras input and 4-ch 1080P sync playbackP2P cloud service for Android/iOS mobile devices remote view anywhere anytime.Motion detection recording. The NVR will be triggered to record when detect something moving. NO trigger no record more intelligent and space-saving.Email alert and alarm notification. When motion detection is triggered the NVR will automatically send out buzzer sound and alarm notifications to your email including snapshot on the spot.Multiple ways to access on the PC phone and pad can be viewed by PC client Phone APP and IE browser.Support 3.5 inch SATA port hard drive capacity about 500G/1.5T/2T/3T and less than 500G is not supported.This NVR default dispaly resolution is 12801024 so we suggest you to use the monitor with 12801024 or higher resolution for normal use.