New at security Sales

Petrus247Petrus247 Member Posts: 1 ■□□□□□□□□□
in Security+
Hi all, whoever reads this, I am new in the security world, I just needs some basic guiding on what to know better for CCTV cameras,IP cams and the important stuff to learn, same with solar systems and anything IoT related on how to understand the products better and sell them accurately.
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