Floral Lights Lighted Calla Lily Flower Stem (set of 8 stems) with 8 bulbs, 20-inch inches (Battery operated) 20 inches in height - 8 bulbs (8 flower stems) Bendable Stems Battery operated Incandescent bulbs are rated for 8000 hours of use Lights are powered by a standard electrical supply which connects to a AC adapter. CSA / CUL approved.