Designed to look like an incandescent lamp, this 4W LED bulb from Calex has never felt so familiar yet it's packed with innovation. It detects when darkness falls and will automatically turn on. It can be used in outdoor-rated lighting. This bulb has a lifespan of up to 15,000 hours and has a standard E27 fitting.
Worth Knowing
This table is a guide to show you the equivalent bulb wattage across halogen, LED and traditional bulbs.
| Traditional Wattage |
Halogen Equivalent |
LED Equivalent |
Lumens |
| 25W |
18W |
4W |
250+ |
| 40W |
28W |
5.5W-6W |
470+ |
| 60W |
42W |
8W-8.5W |
806+ |
| 75W |
53W |
11W |
1055+ |
| 100W |
70W |
13W |
1521+ |
Watts vs Lumens
A bulb's watt rating indicates how much energy it uses. The higher the watt, the more energy it requires. Lumens is a measure of brightness. The higher the number of lumens, the brighter the light.