12V operation for Gas or Electric. Voltage Reducer (VOLT-2000 or VOLT-2001) recommended for electric carts if installing accessories. REDUCER NOT PART OF THIS KIT. Long lasting, energy efficient LED lighting features a life of up to 50,000 hours and energy use of 25% compared to traditional halogen bulbs. Kit Includes: Adjustable Light Kit: LED Headlights/LED Taillights Injection Molded Plastic Bezels with Tapered Mounting Holes High Quality Easy to Install Wire Harness with Push-Pull Switch Installation Hardware, Templates and Instructions