This amazingly bright head torch is incredible value for money, it features 20 super bright white led cob bulbs, and 10 red led cob bulbs'. '.strtoupper('w')ith an adjustable head strap that extends from 52cm long up to a huge 75cm long , and as it is made from elastic, it will stretch larger still, so will easily fit over a safety or cycle helmet if you don't want to wear just on your head'. '.strtoupper('t')here are four modes to choose from, on the first press of the button you will get the incredibly bright white led setting, on second press, it will switch to a lower intensity white light, third press a static red light, and fourth setting is a flashing red'. '.strtoupper('t')he torch comes with an ipx4 rating, so whilst it isn't suitable to be submerged in water, it will tolerate very heavy rain'. '.strtoupper('u')ses night sports, work light, camping light, cycling light'. '.strtoupper('e')lastic head strap extends from 52cm 75cm stretchylight strip is 13cm long x 8mm high4 light modes 2 white settings, static and flash redipx4 heavy rain, shower proofusb c cable includedtake care when using brightest mode, do not look directly into leds1.5 hours on brightest white setting60 hours on flashing red setting