23x Ultra-high Speed IR PTZ Dome Camera. Powerful 23x optical zoom. High resolution@540TVL. DWDR, Day/Night(ICR), Ultra DNR, Auto iris, Auto focus. Max 400°/s pan speed, 360° endless pan rotation. Up to 300 presets, 5 auto scan, 8 tour, 5 pattern. Built-in 2/1 alarm in/out. Support intelligent 3D. Positioning with DH-SD protocol. IR Distance up to 100m. IP66.