Triple Osram P9 LED 10W produces extremely bright, white light with an output of 1400 lumens, with a super boost output of 3500lm for 35 seconds. Working range up to 250 metres. Powered by a rechargeable 3.7V 2Ah Li-ion battery with a charging time of 3-4hrs. Supplied with micro USB charging lead. ***WARNING*** Please keep out of reach of children, as lens generates heat on Super Boost setting.