A built-in signal warning alerts you if the camera is out of range from the receiver. Capable of plugging directly into a DVR, or TV, or RCA monitor, and with features such as FHSS Digital Wireless Technology providing excellent VGA image quality, a built-in microphone for listen-in audio, and long range night vision of up to 100ft, this advanced weatherproof wireless camera is ideal for the home or business security. The LW2275 digital wireless security camera, the wireless way to stay aware.