Hikvision Wireless Camera (51G1/41G1/21G1)

DS-2CD2051G1-IDW1

1/2.7" Progressive CMOS, ICR, 0lux with IR, 2560x1920:12.5fps(P)/15fps(N),
2560x1440:20fps(P/N), 2304x1296/1920x1080/1280x720: 25fps(P)/30fps(N),
H.264/H.265/MJPEG, dual-stream, 3D DNR, support on-board storage up to 128GB(TF
card slot), HIK-Connect cloud service, Build-in microphone and speaker, support twoway
audio. Wi-Fi 802.11b/g/n.
W1: less than 20dBm, less than 50m

5MP, DWDR, Build-in Microphone
and Speaker, Support two-way
audio, H.265
4mm Fixed Lens / (2.8mm
Optional)

DS-2CD2041G1-IDW1

1/3" Progressive CMOS, ICR, 0lux with IR, 2560x1440:20fps,
2304x1296/1920x1080/1280x720: 25fps(P)/30fps(N), H.264/H.265/MJPEG, dual-stream,
3D DNR, support on-board storage up to 128GB(TF card slot), HIK-Connect cloud
service, Build-in microphone and speaker, support two-way audio. Wi-Fi 802.11b/g/n.
W1: less than 20dBm, less than 50m

4MP, DWDR, Build-in Microphone
and Speaker, Support two-way
audio, H.265
2.8 / 4mm Fixed Lens

DS-2CD2021G1-IDW1

1/2.8" Progressive CMOS, ICR, 0lux with IR, 1920x1080/1280x720: 25fps(P)/30fps(N),
2.8/4mm lens,H.264/H.265/MJPEG, dual-stream, 3D DNR, HIK-Connect cloud service,
Build-in microphone and speaker, support two-way audio. Wi-Fi 802.11b/g/n. /NF: no SD
card slot, without /NF: support on-board storage up to 128GB(TF card slot). W1: less
than 20dBm, less than 50m

2MP, DWDR, Build-in Microphone
and Speaker, Support two-way
audio, H.265
2.8 / 4mm Fixed Lens