#iCloudbell: wireless or wire connector, two ways of video communication, motion detector, and message notification. Cloud storage memory. Not miss any call at any time no matter anywhere.（Power input: DC9-36V 1A, AC 8-24V 1A) 无线门铃，方便安装，视频对讲，远程监控，移动检测（图片，视频抓拍），24小时安全防护，为出行提供安全。