???? ??? ??????? ??????? ??????? ????? ??????? ?????? ???????? ?? ???? ????? ??????? ???? ??? ??????? ????? ?? ?????? ???????????30 ~ 150 ??? ???? ???? ????? ??????? PTZ, ???????? ???????? ??????? ?????? ??????????, ????? ????? ???? ?????,???? ?????? ????? ??????. ???? ??????? ????? ??? ???? ????? ???? ???? ????? ???? ??? ????? ???? ???????. ??? ???? ???? OEM ???? ?????? ?? ???????? ???????? ???????. ???? ????? ?????? ??? ???? ????? ??????? ??? ?????? ??????? ????????? ???????? ???????? ?????? ????????. ??? ????? ??????? ????????? ?????? ???????? ??? ??? ????? ??????? ?? ???? ????? ???? ??????? ?????? ???????? ???? ???? ???? ?????. ????? ?????? ??? ?????? ??????? ????? ???? ???????? ?? ??????. ??? ??? ???? ?? ????? ?? ???????? ???? ??????? ??? ?????.