Product Model: DH-SD3A400-GN-A-PV
Certifications: CE; FCC
Image Sensor: 1/3" STARVIS™ CMOS
Max. Resolution: 2560 x 1440
Effective Pixels: 4MP
ROM: 128M
RAM: 128M
Electronic Shutter Speed: 1/3 s–1/30,000s
Scanning Mode: Progressive
IR On/Off Control: Auto; Manual; Off
IR LED Number: 2 IR lights; 2 white light
Focal Length: 4 mm
Aperture: F1.6
Field of View: H:80.2°, V:43.1°, D:94.3°
Close Focus Distance: 0.3 m (0.98 ft)
Iris Control: Fixed
Pan/Tilt Range: Pan: 0° to 355°; Tilt: -15° to 90°
Manual Control Speed: Pan: 0.1°/s–26°/s; Tilt: 0.1°/s–17.5°/s
Preset Speed: Pan: 26°/s; Tilt: 17.5°/s
Presets: 300
Power-off Memory: Support
Idle Motion: Preset
Day/Night: Support
BLC: Support
WDR: DWDR
HLC: Support
Gain Control: Auto/Manual
Noise Reduction: 2D/3D
Motion Detection: Support
S/N Ratio: ≥ 55 dB
Flip: 180°
Two-way Audio: Support
Power Supply: 12 VDC/1.5A±10%; PoE(802.3af)
Operating Conditions: –30 °C to +60 °C (–22 °F to +140 °F)
Operating Humidity: ≤ 95% RH
Function: 
1/3" 4Megapixel STARVIS™ CMOS
IR distance up to 30 m
H.265 Encoding
PoE
Max. 25/30 fps@4 MP
IVS