REVO America America Surveillance Security Box Camera For Outdoor - 600TVL, Day/Night Vision, Digital Noise Reduction, Varifocal Lens, 5.0 mm-50 mm High resolution and high performance 1/3 Sony Super HAD II Technology Specially designed for challenging 24 Hours surveillance applications Digital day and night mode: Color converts to B/W in low light D-WDR for clear vivid pictures where strong back-lighting occurs Powerful Dynamic noise Reduction