DH-PH-KIT/XVR1B08/4-B1A21N is a comprehensive surveillance system designed to provide high-quality video monitoring for various environments. This kit includes a DH-XVR1B08 digital video recorder (DVR) capable of supporting up to 8 channels, allowing for simultaneous recording and playback of multiple camera feeds. Additionally, it features four B1A21N bullet cameras and four T1A21N turret cameras, known for their robust build quality and excellent image clarity. These cameras are equipped with advanced features such as infrared night vision and weatherproof housing, making them suitable for both indoor and outdoor use. The system offers reliable and efficient surveillance solutions for homes, businesses, or any other location requiring constant monitoring and security.