Dahua 3-inch Network PTZ dome — Incredibly Small but Strong
* 3.0mm ~ 9.0mm(3x)optical zoom
* H.264 & MJPEG dual-stream encoding
* Max 25/30fps@1080p resolution
* WDR(DWDR), Day/Night(ICR), DNR (2D&3D),Auto iris, Auto focus, AWB, AGC,BLC
* Multiple network monitoring: Web viewer, CMS(DSS/PSS) & DMSS
* Max 80 °/s P&T speed, 0° ~355°pan rotation
* Up to 255 presets, 5 auto scan, 8 tour, 5 pattern
* Built-in 2/1 alarm in/out
* Support intelligent 3D positioning with DH-SD protocol
* Micro SD memory, IP66, IK10, PoE