From that side, this is perfect because pilot lights consume almost no electricity due to their LED technology that consumes only 10% dune traditional nightlight or 0.5 Watts. Their longevity is extraordinary is 100,000 hours, which is approximately 27 lighting at 10 hours a day. Dailleurs can count on the light sensor to save the energy because the pilot is triggered only in complete darkness. Thus, a very dark corridor day, even with only a thin sliver of light will not be illuminated. You really have the almost complete darkness to trigger.
If the pilot is discrete, no greater than 4.5 cm when connected to a diameter of about 5 cm. The big plus is its swivel head 360 ° C allowing déclairer a particular party (floor, ceiling, wall). The light is quite soft and not aggressive at night when you get up to turn the toilet for example.
Ultimately, it stands there very good economic pilot to the very long life who know how to mount discrete during the day but also in operation with a relatively soft glow.