Our LED Futuristic Multicolor Alien Invader Sound and Light Upon Impact Sword is the most advanced sword. It has an impact chip that only plays sound upon impact but also changes the light mode. The sword will emit futuristic sounds and lights when an impact is felt. Each subsequent impact changes the light mode and eventually repeating the first mode. Features Flashing mode can also be selected by pressing the power button 28 in. LED Futuristic Multicolor Alien Space Invader Sound & Light Upon Impact Sword, Assorted Color Specifications Color: Assorted Length: 28 Inches LEDs: 30 multicolor LEDs Batteries: AAA included, pre-installed and replaceable. Sound: Yes