Check the listing for details. Velleman MK107 LED Running Light Soldering Practice Kit. Condition: New. Listed at 14.99 USD. Science Purchase Our eBay Store About Us--> Contact Us--> Add to Favorite Sellers--> Velleman MK107 LED Running Light Soldering Practice Kit 14.99 --> LED Running Light with 8 LEDsDifferent LED running effects are selectable (PROG push button)Adjustable effect speed (SPEED potentiometer)Power stand-by push button (OFF push button)Power supply: 9V battery (not included) 8 LEDs. Different LED running effects are selectable (PROG push button). Adjustable effect speed (SPEED potentiometer). Power stand-by push button (OFF push button). Power supply: 9V battery (not included). Product Details Color Green Height 0.500" Length 3.500" Width 1.600" UPC --> Thank you for viewing our listing. If you have any questions about this item, please click the "Contact seller" link above.