12v Low Voltage 4 Head Flexible Pendant Track Kit. Comes included with One (1) 10 Foot Fully Flexible Track, One (1) Mounting Canopy with One (1) built-in 150 Watt 12v Transformer, Five (5) Flex Track Supports,Four (4) Satin Nickel Cone Shade Heads, and Four (4) 35 Watt 12v MR16 Halogen Bulbs. Track Heads use a 12v MR16 35 Watts Max each head (140 Watts Max Total, 35w bulbs included!). See our bulbs section to order add'l bulbs. UL Listed.