*This item is REFURBISHED. Defender 4K4T16B16 4K Outdoor Security Camera System with 16 Weather Resistant, Night Vision Cameras, 4TB DVR4K ULTRA HD: With 4K ultra HD you'll have full clarity with 4x the resolution of 1080P, when it matters mostHEAVY DUTY: Outdoor/Indoor 4K Security Camera System Designed with IP67 Weather Resistant Metal Housings4TB DVR Storage: Your footage is secured in a 4TB DVR with 128-Bit Encryption.SAVE & SHARE: Easily save and share footage when something happensNO MONTHLY FEES: No monthly storage or subscription fees