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transducer.
If there is any light source, such as streetlamps or moon-
light, the infrared illuminator does not need to be turned
on. You can adjust the focal length of the objective lens
and the screen brightness to achieve a clear image.
Components
1 2 3 4
5 6 7
8 9
10
1 - Objective focus wheel
2 - Objective lens
3 - Infrared illuminator
4 - Battery compartment
5 - Operating zone
6 - USB 2.0 socket
7 - TF card socket
8 - Dioptre ring
9 - Eyecup
10 - Ocular lens
