A:AnswerThere is a program for the desktop by the manufacturer that facilitates downloading video from the DVR itself. For direct backup, insert a thumb drive or a USB hard drive.
A:AnswerThe cameras don't have built in audio but the DVR supports audio on one channel so you could use the Lorex microphone accessory to record audio - Model # ACCMIC1
A:AnswerThank you for your questions. The cameras must be connected to the included extension/power cable. Lorex does not provide installation services.