You can buy 2 Kentfaith anti-spy detectors, and place them on both sides of the room. 

Yes, our underwater camera for snorkeling supports instant playback of videos directly on the device, and you can also upload videos to a PC for viewing. 

No, not support. 

Dear customer: Hello! Our Dsoon time-lapse camera can take pictures and videos in time-lapse and can also take pictures and videos regularly and automatically and automatically connect to AVI video. Below are the time ranges they can set, you can refer to it. … see more Dear customer: Hello! Our Dsoon time-lapse camera can take pictures and videos in time-lapse and can also take pictures and videos regularly and automatically and automatically connect to AVI video. Below are the time ranges they can set, you can refer to it. A.Timelapse(Photo) is timelapse for photo ,can be set to take 1 photo every 3 seconds to 24 hours, and automatically connect photos to generate time-lapse AVI videos in real time; B.Timelapse(Video) is timelapse for video , it can be set to record a short video of 3 seconds to 120 seconds every 3 seconds to 24 hours, and automatically connect to AVI video; C. Timing Photo is Timing for photo, it can be set to take 1 photo every 3 seconds to 24 hours; D. Timing Video is timing for video, it can be set to record a video from 3 seconds to 120 seconds every 3 seconds to 24 hours. Hope our answer will be helpful to you. best wishes 

The default mobile induction delay setting is 30 seconds. You can set the induction delay time via the menu, optional 2 seconds - 60 minutes to set the trigger interval