GhostRider 0 Posted December 27, 2012 I have a KPD675, I also have a mini PIR sensor that has a signal pin that outputs 3.3v when motion is detected, If I was to connect that 3.3v pin and the gnd pin to the Input on the DVR would it work or would the 3.3volatge damage it? Share this post Link to post Share on other sites