10-light low-voltage (12V) tier light set includes: 10 of model No. LX1 Light Expressions tier lights, 50' of low-voltage cable, and power pack with timer On/Off feature. Uses ten 4W wedge-base bulbs (LV516), included. 120V AC rated transformer, 70 VA rated for low-voltage current. UL listed. Expandable to a total of 11 lights. Black.