Replacement CFL lamps with a standard GX53 fitting. The benefits are that the power consumption is reduced to just 3 watts whilst the life is massively extended to 30000 hours that is 3 to 4 times as long as standard lamps yet all this with a level of light output equvalent to a standard 7w lamp.
Instant on - unlike the standard CFL based lamps which can take several minutes to warm up, these LED lamps are ON at 100% immediately.