Read before purchase A hard drive is NOT INCLUDED. You must separately purchase one with a capacity of your choice up to 8TB in size IP cameras are NOT INCLUDED and are sold separately Default login user name is admin, you must be set password for device, otherwise you can not access to system.If you want to remote viewing on phone, you would need to connect the internet to the nvr.Regarding motion detection function, it is highly depend on your IP cameras protocol. (Please be sure your IP cameras supports same Open Network Video Interface Forum protocol with ours, otherwise motion function may not work properly.) Power over Ethernet, Real Plug and Play PoE NVR is fully compatible with PoE Cameras. PoE NVR provides power to the PoE IP Cameras and transmits video and audio to form a monitoring system through a network cable. With or Without Internet NVR can have local record and real time view no matter it is connected to the Internet or not. But if you need remote viewing, motion push notifications, internet connection is a must. Remote Access Anytime & Anywhere Download our Mobile App (Xmeye) for remote access. Users could view live streams and playback video footage instantly. And you can enable push notifications on your phone to receive any movement or alarm triggered. High-Efficiency Video Compression Using advanced H.265 video compression technology, it helps deliver much smoother video recordings and saves your HDD space Automatical Overwrite Setting When the HDD is full, the newest data will automatically overwrite the oldest ones. Nothing to worry about but save vital footage before overwriting. Package list 1*10CH 4K NVR1*Power Supply1*USB Mouse1*User manual4*Screws