KGUARD's OT-BF445002B2D security surveillance system offers the 4-Channel H.264 DVR with 2x 480TVL Bullet cameras and 2x480 TVL Dome cameras. The Bullet cameras offer 33ft/10m of night vision while the Dome cameras have powerful 65ft/20m of night vision in total darkness. The Cameras are also in waterproof cases that allows the cameras to be weather resistant. This combo kit comes with an exclusive free software KVIEW. KVIEW allows you to remotely access the DVR through many devices such as smart phones, tablets, PC and Mac. You can live remote video monitoring, video display, record, backup and playback, as well as do search by events and set up motion detection alarm with email notification.