2 mm: horizontal FOV: 132°, vertical FOV: 77°, diagonal FOV: 153°
2.8 mm: horizontal FOV: 107°, vertical FOV: 57°, diagonal FOV: 126°
4 mm: horizontal FOV: 85°, vertical FOV: 45°, diagonal FOV: 101°
50Hz: 25fps (1920 × 1080, 1280 × 720)
60Hz: 30fps (1920 × 1080, 1280 × 720)
50Hz: 25fps (640 × 360)
60Hz: 30fps (640 × 360)
Main stream: H.265+/H.264+/H.265/H.264
Sub-stream: H.265/H.264/MJPEG
IE8+, Chrome 31.0-44, Firefox30.0-51, Safari8.0+
DS-2CD2421G0-IW:
12 VDC ± 25%, Φ 5.5 mm coaxial power plug; PoE (802.3af, class 3)
DS-2CD2421G0-IDW:
12 VDC ± 25%, Φ 5.5 mm coaxial power plug
DS-2CD2421G0-I:
12 VDC ± 25%, Φ 5.5 mm coaxial power plug; PoE (802.3af, class 3)
DS-2CD2421G0-IW:
12 VDC, 0.54 A, max. 6.5 W
PoE (802.3af, 36 V to 57 V), 0.21 A to 0.13 A, max. 7.5 W
DS-2CD2421G0-IDW:
12 VDC, 0.54 A, max. 6.5 W
DS-2CD2421G0-I:
12 VDC, 0.42 A, max. 5 W
PoE (802.3af, 36 V to 57 V), 0.17 A to 0.11 A, max. 6 W
Camera: 102.9 × 65.2 × 32.6 mm (4'' × 2.6'' × 1.3'')
With package: 150 × 125 × 99 mm (5.9'' × 4.9'' × 3.9'')
Camera: Approx. 120 g (0.3 lb.)
With package: Approx. 380 g (0.8 lb.)