The P-520 is a First Alert security camera has 12 LED's for low light viewing and night vision. It also has a built-in microphone for real time audio. Easy recording to VCR or DVR and all mounting hardware for the camera is included. Features NTSC video system, 400 TV lines resolutions, >46dB signal/noise ratio and 50 degrees viewing angle. Automatic white balance and gain control. Suitable for both indoor/outdoor applications.