Original price is $389 before tax. No install service. Product description 1. Wireless means that the signal is transferred between the cameras and NVR in a wireless way. No need wired video cable between camera to NVR. But both cameras and the NVR HAVE TO BE plugged in power outlet with a wire to gain power supply. Batteries are not supported. 2.This system can add up to 8PCS WIFI IP cameras, and they DO NOT PICK UP SOUND. 3.To get the Remote Viewing on mobiles or laptop, the NVR needs to be connected to home router via one network cable. 4.WiFi Range. As you know, walls, obstacles, electrical products will affect the wireless signal. These create a lot of wireless interference and cause signal levels from the camera to vary a lot. 1080P Security Camera System 1080P Security Camera System Outdoor Security Camera IP66 Weatherproof Outdoor Security Camera Wireless Network Video Recorder 1080P Wireless Network Video Recorder 8CH Expandable, Max Support 8Pcs Camera 2TB Hard Drive Pre-installed, Plug-Play Support 24/7 Video Recording, Manual Recording, Motion Detection Recording Plug-Play, System Auto Paired Plug-Play, System Auto Paird Wireless Camera System Built-in Router Camera & NVR Auto Paired. True Plug-Play. Easy Remote Access, No Monthly Fee Local Monitor without Internet Local Monitor without Internet Wireless Security Camera System Built-in its own Router, Can Working Without Internet Fasten Camera Antenna and Power on Connect NVR Box to TV Monitor (Resolution up to 1920*1080) Power on NVR, Pictures Will Display Soon Internet is NOT Necessary For Live View, Video Record & USB Backup Camera System Need Connect to Power Outlet 24/7, NOT Battery Powered Remote Access, No Monthly Fee Remote Access from Mobile/PC, No Monthly Fee With Internet, You Can Remote Access Camera System From Mobile/PC Anywhere Anytime, No Monthy Fee Simply Connect NVR Box to Router via Ethernet Cable Provided Download Mobile APP (XMeye), PC Client(CMS) Add Device by Instruction