... bulbs: 25L/40L/50L/60L/80L/90L/96/100L/140L, it depends on you. Wire: transparent wire, black wire, ... PVC wire, it also depends on you. Voltage: 12V/24V/110V/220V/380V ... save energy, even thought the light works for much time, it is still not heated. 2) protect the environment 13. ... cove lighting,shelving,kitchen counters,staircases general electric lighting fix