Specifications Quick Start Guide Manual Firmware PTZ Firmware
DH-SD42A212TN-HNI DH-SD42A212TN-HN(I).png
Series: Lite
Body: PTZ
Image Sensor: 1/2.7 in. CMOS
Resolution: 2 MP, 1920(H) x 1080(V)
Angle of View: Horizontal: 59.3° to 5.2°
Lens Type: Varifocal
Focal Length: 5.1 mm to 61.2 mm
Optical Zoom: 12x
Min. Illumination: Color: 0.05 Lux at F1.6;
B/W: 0.005 Lux at F1.6
Day/Night: Auto (ICR), Color, B/W
Max. IR Range: -
WDR: 120dB
Video Compression: Smart H.264+, H.264, MJPEG
Audio Compression: G.711a, G.711mu, PCM
Frame Rate: 1080p/D1 at 30 fps, 720p at 60 fps
Multi-Streaming: 3 Streams
Pan/Tilt Range: Pan: 0° to 360° endless
Tilt: -2° to 90°, Auto Flip 180°
Preset Speed: 300 Presets
Pan: 300° /s
Tilt: 200° /s
IVS: Motion, Tripwire, Intrusion,
Abandoned/Missing Object,
Facial Detection
Audio In: One (1) Channel
Audio Out: One (1) Channel
Memory Slot: -
Alarm In: Two (2) Channel
Alarm Out: One (1) Channel
IP Rating: 66
IK Rating: 10
Operating Temp: –30° C to +60° C (–22° F to +140° F),
Less than 90% RH
Power: 24 VAC, 1.5 A (± 10%), PoE+ (802.3at)
< 12 W
ePoE: No


  • Powerful 12x optical zoom
  • Support dual-streams encoding
  • Max. 30fps@1080P(19201080) & 60fps@720P resolution
  • WDR, Day/Night (ICR), DNR (2D&3D), Auto iris, Auto focus, AWB, AGC, BLC
  • Max 300°/s pan speed, 360° continuous 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
  • IP66, IK10(optional), POE+

CAD Images


Intelligent Features


WebUI Old SmartPSS DSS Express S
WebUI Old SmartPSS DSS Express S


Compatible Accessories

Accessories Combo 1

Accessories Combo 2

Accessories Combo 3

Accessories Combo 4

Accessories Combo 5

Accessories Combo 6

Accessories Combo 7

Accessories Combo 13

Optional Accessories

Reset Button

SD40or42or42C reset button.jpg