Designed for low voltage systems, the Lumière Cambria 203 is an LED landscape fixture that allows halogen and LED fixtures on the same 12-volt circuit. The MR16-style LED module monitors temperatures and modifies its own operating parameters to optimize system performance. It’s made from corrosion-resistant aluminum or solid brass, bronze, copper, or stainless steel. Cost: $190. Cooper Lighting. 770-486-4800.