To activate your LED Saber Sword, press the top button on the handle to light up the LEDS. The light function is a still light of all the LEDs, the saber does not blink or flash. Height: 29.0 in. – Length: 1.50 in. – LED Color: Red, White, Blue – Batteries: Includes 2 replaceable CR2032 batteries. – Weight: 0.04 LB