Trailer Security

As contractors I know keep getting their trailers stolen around me, I search for new ways to step up trailer security.  This is one fairly inexpensive way I found to add another level of security.  This motion light only works at night, in the dark.  Because the trailer is parked in front of my house, I found my excessively bright LED house security light, lights up the same area enough to shut down Mr Beams.  But this trailer is parked at dark job sites enough to warrent the small cost of installing the battery security light.  A quick video of the install