1.Smoke Detector 4GB DVR With Remote Control 2. Smoke Alarm Detector 3.Motion Actived Smoke Detector Camera with Remote Control, Motion-Activated 4G Memory Included HighlightsThis gadget looks like a smoke detector exactly, but it is a hidden digital video recorder actually, and you can control the DVR to take video by remote control, or setting to motion-activated video recording mode. It is ...