孟加拉采购需求：IP视频对讲机、两线IP视频对讲机、4G GSM对讲系统、模拟对讲机、智能家居对讲系统制造商、POE对讲机

I'm looking for a comprehensive CCTV system that includes all necessary accessories. Specifically, I'm interested in high-quality cameras, recording devices, and any essential components that ensure optimal functionality and security. Could you provide more details on your available options? I'd like to know about the features, pricing, warranty, and lead times for delivery. Also, if you have any package deals or recommendations for specific setups based on different security needs, that would be great!