HIKVISION DS-QAZ1307G1-E Network Horn Speaker 7W Insert InAdopt high speed industrial grade dual core chips, built in NOR Flash+EMMC dual storage, support dual backup of the system to ensure stable and reliable system performance. Support secure startup, user login locking mechanism, and password complexity prompts, support security audit log traceability, and improve system network security. Support batch unified management of remote platforms through IP networks (local area networks public networks) and