Product availability as of 22-Nov-09 Name Size Color Availability Impulse (Green LED) N/A N/A Ships within 24 hours. Impulse (Red LED) N/A N/A Ships within 24 hours. Impulse (White LED) N/A N/A Ships within 24 hours. Impulse (Blue LED) N/A N/A Ships within 24 hours. Go back to the Impulse