Instructions: To activate press the button located on the back of the cane below the battery housing. Light Up Snowman Necklaces have multiple light functions. Set the lights on a random light flash, have all the LEDs blink at once or an up an down flash. Note: The lanyard does not light up or flash. Dimensions: Snowman: Height: 3.12 in. Width: 2.25 in. Lanyard: Length: 30.5 in. LED Colors: 1 Blue, 1 Red, 1 Green Lanyard Colors: Green Batteries: Includes 3 Replaceable AG13 Batteries.