This article provides an in-depth analysis of the differences and purposes between the main stream and sub stream of IP cameras. Elaborate on how to achieve smooth low bandwidth real-time preview while ensuring high-definition storage through a dual stream strategy, providing key guidelines for system design and performance optimization for developers of applications such as security monitoring and video conferencing.

Do you want to use a low-power camera that supports RTSP protocol to create 24-hour slow live streaming for your small fish tank? Based on practical experience, this article analyzes the key points of choosing a camera that can capture a 30cm small fish tank clearly within a budget of around 200 yuan, especially the most easily overlooked issue of "focusing".

This article comprehensively analyzes the complete guide for power supply of surveillance cameras, covering interface selection and specifications such as DC round mouth, PoE, and centralized power supply. It provides detailed power supply solutions for special scenarios such as vehicle mounted and solar powered systems, and offers common construction problem-solving techniques to help ensure the stable operation of security systems and avoid installation traps.