This light is activated by switching from the normal wall switch. - LED Bulb,4W E27 - PIN Type connection. Light Bulb Daylight White Lamp Luminous Efficiency(lm/w): 700 LED candle light bulbs are ideal for fittings and lamps that require a decorative type of bulb, such as those where the bulb itself is on show. Many desk lamps, chandeliers and wall lights use these bulbs to mimic a real candle and give the lamp a vintage look. This model provides 100 Lumens per watt and a total of 600 lumens for this model.The Candle Clear 4w=40w B22 Dimmable LED Lamp - 240v Globe is commonly used in pendant lights, chandeliers and many general lighting applications. These globes have LED Filament technology, allowing for greater light output, whilst minimizing the power consumption.