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