The lighthouse 140 lumen elite focus has three functions high low and strobe the lighthouse 3 watt pocket focus torch provides a massive 140 lumens of light it is a versatile torch and has three different functions which would appeal to numerous trade applications as well as a multitude of home and leisure activities the three functions are high power ideal for illuminating long distances eg when walking or where little or no light is available and you need a high light output to work efficien