FILESIZE HOG!

A 7-second recording gobbled 245MB. A 50-second recording clocked in at a whopping 1.2GB! YUMPIN YIMMINY!!
And there is no Help, User Manual, documentation of any kind, nor a Contact link to this developer. The "support" links merely take you to the developers website, and no contact opportunities there, either!
Apples Photo Booth is the recording solution you seek!

EveryNicknamesTaken about iSpy Motion Detector Recorder