System Overview
Featuring with powerful optical zoom and accurate pan/tilt/zoom
performance, the SD3A series PTZ camera can provide large monitoring
range and great detail. The camera delivers 4MP resolution at 25/30 fps,
and has very excellent low light performance due to the latest starlight
technology. SD3A series PTZ camera is equipped with smooth control,
high-quality image and good protection, which makes it meet small and
medium-sized video surveillance applications.

Functions
Perimeter Protection
Automatically filters out false alarms caused by animals, rustling leaves,
bright lights, etc. Enables system to act secondary recognition for the
targets. Improves alarm accuracy.

Starlight Technology
For challenging low-light applications, Dahua’s Starlight Ultra-low Light
Technology offers best-in-class light sensitivity, capturing color details in
low light down to 0.005 Lux. The camera uses a set of optical features
to balance light throughout the scene, resulting in clear images in dark
environments.

Environment
Dahua cameras operate in extreme temperature environments, rated
for use in temperatures from –30°C to +60°C (–22°F to +140°F) with
95% humidity. Subjected to rigorous dust and water immersion tests
and certified to the IP66 Ingress Protection rating makes it suitable for
demanding outdoor applications.

Wide Dynamic Range
The camera achieves vivid images, even in the most intense contrast
lighting conditions, using industry-leading wide dynamic range (WDR)
technology. For applications with both bright and low lighting conditions
that change quickly, True WDR (120 dB) optimizes both the bright and
dark areas of a scene at the same time to provide usable video.