Questions and Answers for Defender 8-Channel Smart Security DVR with Hard Drive (4) Bullet and (2) Dome Ultra Hi-Res Cameras

A:  Motion is detected at the DVR, when pixels change on the screen the DVR will begin to record.There are 8 sensitivity settings

A:  Yes this system supports remote access. You will need this to be connected to a network with Internet access.

A:  Hello Steve, The operating temperatures of the camera's and DVR are as follows. DVR: 32 - 104 degrees Dome Cam: 14 - 122 degrees Bullet Cam: 14 - 140 degrees I hope this helps. Cheers, Chris

A:  Hello Thank you for your inquiry. These are analog cameras and DPI measurement would be in reference to a digital format. We would be unable to provide a DPI measurement for these cameras. For example, 1000 DPI is equivalent to 1000 pixels per inch. Our 600 TVL cameras have a pixel size of 648(H)×488(V).

A:  Hello Thank you for your inquiry, at this time our cameras do not feature a zoom function. When viewing recorded footage you can decide to enlarge or stretch part of the video to make it larger.

A:  I HAVE A MODLE # 21178 SECURTY SYSTEM WITH 600 TVL OUTDOOR MODEL 21004 AND 600 TVL INDOOR/OUTDOOR DOME CAMERA DOES NOT ZOOM. ONLY SOME CAMERA HAVE THE ABILITY FOR ZOOM THE HIGHER TVL THE BETTER VIEWING.

A:  YES I HAVE A MODEL #21178 IT COME WITH ALL CABLES AND DC12 VOLT POWER ADAPTER TO PLUG IN TO DVR

A:  Hello Thank you for your inquiry. Everything you require for basic setup is included in this kit. Each 21000 series camera comes with a 65 foot camera cable, This cable contains both the power and video line to the camera. We guarantee signal strength and quality up to 195 of cable on our 21000 series camera line. Should you need to add an extension cable you will need one of the following cable models. 21007: 65ft extension cable 21008: 65ft fire rated extension cable 21009: 130ft fire rated extension cable Please note that the original cable is required when using extension cables and would be installed in the following order: Camera -> Camera Cable -> Extension Cable(s) -> DVR

A:  This system is designed to be installed by the average homeowner. Running cables and mounting cameras may require assistance.

A:  YES I HAVE A MODEL # 21178 IF YOU CAN RUN CABLES FOR YOUR TV AND DRILL SOME HOLES AND FASTEN THE CAMARA TO THE STRUCTURE YOU CAN DO IT YOUR SELF IF NOT HAVE A FRIEND TO HELP YOU.

A:  Hello, The cameras can record simultaneously. Best Regards, Defender Support

A:  YES YOU HAVE THE OPTION TO CHOOSE THE CAMARAS THAT YOU NEED TO RECORD