With 8 sensors located and 8 IR leds on top to indicate movement, this device can track shadow movement as well as movement around the device.   It can be used as a trigger prop to ask spirits to turn on certain lights in response to questions asked.  The sensors work with infrared leds so it can work in complete darkness.  It can also  daytime.   It has an included  sensitivity knobs on side of unit.  Adjust to the right to turn down the sensitivity and left to increase sensitivity.  Turn left until one led is lit, then slowly adjust to the right until the led is out.  If the unit stays lit for a few seconds more, you may want to adjust a few more taps to the right until the leds operate smoothly. There are 8 modes on the unit. Modes are patterns the leds are to perform. 
 
Video Instructions and Demostration Here
 
color will vary