Package List 8CH WIFI NVR* 1Pieces; NVR Power Adapter* 1Pieces; USB Mouse* 1Pieces; Dual-lens Cameras* 2 /3 /4 /6 /8Pieces; Camera Power Adapter*2 /3 /4 /6 /8Pieces; 7mm 2.5 inch HDD(optional); Smart IR-Cut Night Vision Features A Non-Invasive Infrared Sensor To Ensure Clear And High-Definition Video Day And Night.Dual Lens 3MP+3MP=6MP,clear and fine imagesLike buy two cameras for the price of one, and the easier installation Dual Lens and Dual Screen There are 2 video screens in APP, the upper one is fixed position camera and the lower one is PTZ camera. Perfect Waterproof Outdoor Security Camera KERUI Outdoor Camera is waterproof (IP66) and enables outdoor use. camera works perfectly both inside and outside your house, even in harsh weather conditions. Support multiple video storage methods, cloud, memory card, hard disk, etc. It is recommended to use a 2.5 Inch HDD as a storage tool because of the sufficient memory and easy to read. Please take a closer look at the pictures, here is the installation of the HDD, the type of HDD used, and the approximate storage time. Advanced H.265+ Video Compression NVR Kits Adopts advanced H.265+ video compression, reduces 50% file size and keeps the same quality compared to H.264. Product Details