4-inch 2 MP 25X Powered by DarkFighter Analog Speed Dome
- High quality imaging with 2 MP resolution
- Excellent low-light performance via powered-by-DarkFighter technology
- Clear imaging against strong back lighting thanks to 120 dB WDR technology
- Pan and tilt ability enables camera to monitor zones of interest
- 25x optical zoom allows for closer viewing of subjects in expansive areas
- Water and dust resistant (IP66).
Lens
- FOV：Horizontal field of view: 57.6° to 2.5° (wide to tele),Vertical field of view: 34.4° to 1.4° (wide to tele),Diagonal field of view: 64.5° to 2.9° (wide to tele)
- Zoom Speed：Approx. 3.6 s (optical, wide to tele)
- Working Distance：10 mm to 1500 mm (wide to tele)
- Aperture Range：F 1.6 to F 3.5
- Focal Length：4.8 mm to 120 mm, 25× Optical
Image
- Max. Resolution：1920 × 1080
Camera Module
- Frame Rate：50Hz: 25fps @(1920 × 1080),60Hz: 30fps @(1920 × 1080)
- AGC：AUTO/MANUAL
- DNR：3D DNR
- Regional Focus：Yes
- Image Sensor：1/2.8″ progressive scan CMOS
- Model：DS-2AE4225T-A(D)
- Min. Illumination：Color: 0.005 Lux @(F1.6, AGC ON),B/W: 0.001 Lux @(F1.6, AGC ON)
- White Balance：AUTO/MANUAL/HAUTO/ATW/INDOOR/OUTDOOR
- Shutter Time：PAL: 1/1 s to 1/10,000 s,NTSC: 1/1 s to 1/10,000 s
- Day & Night：IR cut filter
- Digital Zoom：16×
- Privacy Mask：8 programmable privacy masks
- Focus Mode：Auto/Semiauto/Manual
- WDR：≥ 120 dB
- BLC：Yes
- HLC：Yes
- EIS：Yes
PTZ
- Movement Range (Pan)：360° endless
- Pan Speed：Pan manual speed: 0.1° to 100°/s,Pan preset speed: 100°/s
- Movement Range (Tilt)：-5° to 90° (auto flip)
- Tilt Speed：Tilt manual speed: 0.1° to 80°/s,Tilt preset speed: 80°/s
- Proportional Zoom：Rotation speed can be adjusted automatically according to zoom multiples
- Presets：256
- Patrol Scan：10 patrols, up to 32 presets per patrol
- Pattern Scan：5 patterns, with the total recording time no less than 10 minutes
- Power-Off Memory：Yes
General
- Dimensions：Ø 180 × 239.5 mm (Ø 7.1″ × 9.4″)，2 kg (4.41 Ib.)
- Protection Level：IP66 standard (outdoor dome),TVS 4,000 V lightning protection, surge protection and voltage transient protection
- Power：24 VAC,Max. 20 W
- Menu Language：English
- Mounting：Various mounting modes optional
- Working Temperature：-30° C to 65° C (-22° F to 149° F)
- Working Humidity：90% or less