This system includes Swann's True Detect PIR Thermal Sensing technology to reliably detect heat-generating moving objects, such as people, large pets & cars. With more accurate motion detection you have more reliable notifications & recording, eliminating false triggers such as falling leaves, bugs, rain & more, saving hard drive space & playback time. It can even be set to send push notifications when movement is detected! Supplied with 4 weatherproof security cameras with Motion Sensored Spotlights Remote viewing is incredibly simple to set up on your smartphone or tablet. Just scan the QR code sticker on the DVR to see the cameras in real time from anywhere in the world! You can even search the recordings for any previous incident. The massive 1TB HDD is designed especially for continuous surveillance recording. Store months of recordings and easily transfer videos to a USB stick or download via a network. Select a specific area of the image to search for movement within the recordings. For example, highlight the position of a stolen object and Smart Search will find motion around that area.