Hi-Watch naming rule

GiovanniG

Young grasshopper
May 18, 2021
51
6
Italy
Hi, I can't find it, only Hik vision..
In particular I would now differences between DS-I250M(C) and DS-I250L(D), apparently the case and IR vs LED backlight, but I would know exacrly what this M(C) and L(D) mean. Thank you a lot