阿联酋采购需求：门铃、门铃摄像头、无线门铃、触摸屏显示器、触摸屏显示器、无线门铃摄像头

Hope you're doing well. We're interested in your video intercom solutions for our operations at Dotnetwork IT Solutions LLC in Dubai. Could you send us more info on the available models? Specifically, we'd like a demo unit for evaluation, detailed specs for all models, and pricing info, including any bulk discounts or promotions. Your quick response would be appreciated as we look to finalize our decision soon.