This product can be used outdoors but must be protected from moisture at all times.

Not knowing the exact props you are referring to it’s hard to say. This document shows how to interface our motion trigger into a Gemmy prop (which is who a lot of Spirts props are made by)

We find the the Reflective Beam Sensor is the best for this application.

Strobe lights will not interfere with the operation of the motion sensor or reflective beam sensor. They may cause unpredictable behavior from the diffused beam sensors.

It is not adjustable and is not meant to activate a prop directly. It is meant to be used with a controller such as a PicoBoo

Yes.

It detects body heat and not flashing lights.