Xtreme Haunted Sound FX Box Prop Halloween Decoration with 27 Sounds27 Creepy Sounds: Includes ghostly moans, creaking steps, rattling chains, and more. haunted sound fx box triggered by motion sensor or manually with the try me button Motion Sensor Activation: Place haunted sound box in a hidden spot to automatically play a random haunting sound when motion is detected. Manual and Automatic Triggering: Use the try me button for manual sound activation or let the motion sensor handle sound effects boxautomatically.