SV3C 4CH 720P Wifi Wireless Outdoor Home Surveillance Video Security Camera System, 4pcs 720P HD Bullet Cameras,Support Remote Viewed by IPHONE,Android Phone,Pad,Windows PC(NO HDD) PLUG & PLAY SET UP: Cameras between NVR has been matched code so customers could using wirelessly instead of installing ethernet cables. Then you just need to get camera and nvr powered to start view. The whole process is quite easy. Cameras can be installed within 100feet distance of NVR, WIFI signal can pass through at least 2 walls. 720P HD CAMERAS: Be honest to say this cameras are with very good quality image and viedo view. Crisp Night vision up to 20meters with 36pcs IR LED. WATERPROOF HOUSING: Made by steady aluminum with exquisite workmanship, could stand from bad weather and durable enough for using outdoor and indoor. Waterproof degree up to IP 66. RELIABLE AND SIMPLE APP: Download free app "Eseenet+" from Google Play or App store, just add the camera to view via your Smartphone, Pad or Windows PC anywhere anytime. INSTALLATION VIDEO: https://youtu.be/NK2inaezft0. For any problems that you can not get the system to work, please send email to sales02@SV3C.COM or call us @+86 13040899182 or add our skype- ZQ@SV3C.COM.