The NVR can accept signals within 300M in open flat land. 


How to Set-up WiFi NVR Kit:-


Package Includes:-

4 X 1 MP 720P Survillance IP Camera 
4 X 12V 1.5A Power Connection for IP Camera
1 X NVR Recorder
1 X 12V 3.0A  Power Connection for NVR Digital Video Recorder
1 X 1 M Lan Cable
1 X Optical Mouse
surveillance Grade Hard Disk (Not Included/Optional)