The Monorail 300W Surface Mount Electronic Kit 1 Inch Drop by Edge Lighting Monorail kit includes everything you need for a complete system - just add fixtures. Kit includes surface mount electronic 300 watt 12 volt transformer, hand-bendable monorail, 1 inch standoffs (1 per 3 feet of rail) and 2 pairs of end caps. Fast acting circuit breaker on 12 volt side of transformer will shut the system off in case of overload or short and can be easily reset. Available lengths of monorail kits: 4, 8, 12, 16, 20, 24, 28 or 32 feet. Available in satin nickel, polished nickel or antique bronze finish. Just add heads or pendants to complete a system. Total wattage of used fixures cannot exceed 300 watts.