The cameras are not battery operated, but we offer power supply for each camera. WIFI Range Restriction: The WIFI signal is reduced by walls. Please place the cameras as close to the NVR as possible. You will need an HD TV or PC monitor with HDMI or VGA cable to view and perform system settings, the HDMI or VGA cable is not included. You can watch live videos, record and play video without internet. If you want to watch cameras remotely, you need to connect the NVR to the internet e. Router through network cable (included). Please test the cameras’wi-fi signal before Installation. This system supports wired transmission via LAN cable as well. Get Remote Access from Anywhere. ZOSI free Smart App/AVSS Client make it easy for you to get access and control to your cameras via your smartphones or PC anytime. Quickly view live feed, playback the recorded footage, customize your monitoring settings and check on everything you hold dear even from miles away. 265+ delivers remarkable bit rate reduction – up to a 50% compared with H. Lower bit rate not only allows faster downloads but also reduce expenses for delivering same content using fewer resources and lower data consumption. Installed 1TB Hard Drive. And expandable capacity up to 8TB, the Wireless surveillance kit support 24/7 recording of all 6 cameras at the same time, massive storage space enables you to store weeks of video footages safely. Wireless & Wired Connection. This camera system support both wireless & wired connection. Wireless connection is more easy to set up with wires needed. And you can also connect the cameras to router via Ethernet cable for even more stable signal transmission. Extend Your Wireless Range. Use this 2.4 GHz Omni-Directional Antenna to boost your wireless signal especially in a large place. Replace the original antenna with the wireless range extender antenna. You can run the extension antenna through the wall to install it on the side of your house for better wireless reception. OTA(Over-the-Air Technology) allows directly upgrading NVR system through the server. One button to achieve the program upgrade, eliminating the worry to use the U disk. Make you experience the latest program faster and more convenient. 1 x 8CH 3MP/2K H. 8 x 3MP HD WiFi Cameras. 1 x DC12V 2A Power Supply for NVR. 8 x DC12V 1A Power Supply for Cameras (3M Power Cable). 1 x 1M Network Cable. 1 x 3M Antenna Cable. 1 x Mouse for NVR. 1 x User Manual. 1 x 2TB Security Grade Hard Drive was pre-installed inside the DVR.