Features

N51Q-MD

N51U-ML

N51A-ML

N51Q-BD/CD

N51U-BL/CL

Max Video Resolution

2048 x 1536

1920 x 1080

1280 x 1024

2048 x 1536

1920 x 1080

Dual-shutter WDR

v

v

Optical Zoom

3x

3x, 2.5x

3x, 2.5x

Fixed Lens

N51Q-BD

N51U-BL

Varifocal Lens

N51Q-CD

N51U-CL

Min Illumination

0.1 lux

0.05 lux

0.05 lux

0.1 lux

0.05 lux

Day/Night

v

v

v

v

v

Built-in ICR

v

v

v

v

v

Built-in Microphone

v

v

v

v

v

Two-way Audio

v

v

v

v

v

Memory Card Slot

v

v

v

v

v

Casing

Indoor Vandal-proof

Indoor Vandal-proof

Indoor Vandal-proof

Indoor, Vandal-proof

Indoor, Vandal-proof

Power over Ethernet

v

v

v

v

v

Wireless Supoort

v

v

v

v

v

IR Illumination Distance

15 m

15 m

15 m

15 m

15 m

Features

N51U-B/C

N51A-BL/CL

N51A-B/C

N51F-F

N51U-FL

Max Video Resolution

1920 x 1080

1280 x 1024

1280 x 1024

2592 x 1920

1920 x 1080

Dual-shutter WDR

Optical Zoom

Fixed Lens

N51U-B

N51A-BL

N51A-B

Fisheye Lens

Fisheye Lens

Varifocal Lens

N51U-C

N51A-CL

N51A-C

Min Illumination

0.1 lux

0.05 lux

0.1 lux

0.1 lux

0.05 lux

Day/Night

v

v

v

v

v

Built-in ICR

v

v

v

Built-in Microphone

v

v

v

v

v

Two-way Audio

v

v

v

v

v

Memory Card Slot

v

v

v

v

v

Casing

Indoor, Vandal-proof

Indoor, Vandal-proof

Indoor, Vandal-proof

Indoor, Vandal-proof

Indoor, Vandal-proof

Power over Ethernet

v

v

v

v

v

Wireless Supoort

v

v

v

v

v

IR Illumination Distance

15 m

15 m

15 m