Hikvision DS-2DE2A204IW-DE3 (S6) 2-inch 2MP 4x Zoom IR Mini PT Dome Network Camera, Powered-by-DarkFighter technology, Up to 20m IR range, 1/2.8" Progressive Scan CMOS, 4x optical, 16x digital, Focal Length: 2.8 to 12 mm, 25 fps (1920 × 1080, 1280 × 960, 1280 × 720), 120 dB WDR, Digital Defog, BLC, HLC, 3D DNR, Built-in Microphone, Built-in memory card slot, Face detection, line crossing detection, intrusion detection, Motion Detection, IP66 (IEC 60529-2013), IK10.

Hikvision DS-2DE2A204IWG1-E/W: Value Series 2-inch 2MP PTZ camera with 4x optical zoom (2.8 to 12 mm) that pans up to 50°/s; illumination IR 20m. Line crossing, intrusion, region entrance and exit alerts. Also: built-in microphone and speaker. Scroll down for details.

Hikvision DS-2SE3C404MWG-E/14 TandemVu 4MP+4MP 4X POE PTZ Network Camera, powered-by-DarkFighter technology, 4× optical zoom and 16× digital zoom, Supports 120dB WDR, HLC, BLC, 3D DNR, defog, regional exposure, regional focus, Supports 12V DC & PoE+, Support Human and Vehicle Detection, [Bullet channel]: 1/2.8" Progressive Scan CMOS; [PTZ channel]: 1/2.8" progressive scan CMOS, [Bullet channel]: 2.8 mm; [PTZ channel]: 2.8 to 12 mm, [PTZ channel]: IR Distance: up to 40m, [Bullet channel]: IR Distance: up to 30m; White Light Distance: 30m, 8 patrols, up to 32 presets for each patrol, Power-off Memory, Park Action, Built-in memory card slot, Reset button, IP66 Standard, Surge Protection and Voltage Transient Protection.