HIKVISION DS-2CD7A26G0/P-LZHS, Quick Start Manual, Page: 6 / 34

A few device components (e.g., electrolytic capacitor)
require regular replacement. The average lifespan varies,
so periodic checking is recommended. Contact your dealer
for details.
Cleaning
Please use a soft and dry cloth when clean inside and
outside surfaces of the product cover. Do not use alkaline
detergents.
Using Environment
When any laser equipment is in use, make sure that the
device lens is not exposed to the laser beam, or it may burn
out.
Do not expose the device to high electromagnetic radiation
or dusty environments.
For indoor-only device, place it in a dry and well-ventilated
environment.
Do not aim the lens at the sun or any other bright light.
Make sure the running environment meets the requirement
of the device. Check product datasheet for detailed
information.
Do not place the camera in extremely hot, cold,
dusty or damp locations, and do not expose it to high
electromagnetic radiation.
Emergency
If smoke, odor, or noise arises from the device, immediately
turn off the power, unplug the power cable, and contact the
service center.
Time Synchronization