Specification: Material: ABS Size: Extended size: 4.5x4.5x78cm/ 1.7x1.7x30.7inch Shortened size: 4.5x4.5x41cm/ 1.7 x 1.7 x 16.1inch Powered: 3 AAA batteries (not included) Applicable age: 3 years old and above Note: Please allow slight dimension difference due to different manual measurements. Thank you for your understanding. Feature: [7 Colors Changeable] Our lightsaber has 7-color bright luminous light change modes with realistic sound effects, which can fit together. Just press the button on the handle to start the lightsaber. [Battery Powered] Our lightsaber is powered by 3 AAA batteries (Not Included). The sound of lightsaber combat is motion sensitive. Makes metal crashing sounds and changes color.