parlat, LED Bulb E14, 2W corresponding to 11W, 100 lm, 4100 K, warm white, A ++, 230V lamps
The lamps are not cheap .... But you can let the emergency (eg in basement.) Burn continuously - at 2 Watt power consumption. For orientation in dark rooms, they are ideal and you do not need every time the switch on "large" light, if you will o