Appendix I: Technical Specification - BestGuarder NV-900 Notice D'utilisation

remaining recording is displayed in the upper left corner of the screen! (Note:
Camera and video switch as below)
3. Night vision mode: In the use of monitoring, use the "IR" key to
adjust according to the need.
4. Optical zoom mode: Turn manually to left and right to adjust the big lens
the left side of the front until the scope of observation of the reference object
becomes clear. To enlarge the local target of the scope, please use the digital
zoom mode!
In the use of surveillance, you can use the "ZOOM in"
5. Digital zoom mode:
.
key and "Zoom out" key to select the digital zoom of "1.0X ～5.0X" times

Appendix I: Technical Specification

1/3CMOS vs image-intensifier tube
Built-in 2" TFT , View Large LCD Screen UP TO 4" display
Resolution of Screen:640*480
TF card: up to 32G(no included)
Adjustable eyepiece
Powerful infrared spotlight
Magnification(optical): 4.5
Objective Aperture:φ40mm
Exit Pupil Distance:46.2mm
Digital Zoom： 5
Field of View: 9°
F for Objective lens：F=1.3
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