PRODUCT OVERVIEW Model # RL161B12D-1T Internet # 205881042Full-featured surveillance at an affordable price. This Revo Lite16-channel surveillance system is suitable for smaller homes and businesses. The Revo Lite 16-channel Quick connect DVR is loaded with all your favorite Revo DVR features. EZLink - Connect your DVR to the internet and mobile devices in a few easy steps. Email Notifications with Images - When your cameras detect motion, they notify you via email and include a picture of what triggered the alert. Revo Mobile Lite App - Watch your cameras live, record, search and even control PTZ cameras (not included) with our free mobile app. PentaPlex - View, record, search, playback, backup and remotely access the DVR all at the same time. The bundle includes twelve indoor/outdoor Revo Bullet cameras rated at 450TVL with 3.6 mm lenses and infrared cut filters (ICR) designed for specialized day and night mode operation. Revo Indoor/Outdoor Bullet Cameras feature a pass through mount eliminating any visible cables. The 1TB Hard Disk Drive allows up to 1000 hours of recorded video depending on your settings. Advanced and Intelligent Video Surveillance Revo.