L1 LED Light provides a concentrated close quarter beam. The LED lamp is available in white and provides up to 10,000 hours of usage. Four replaceable LR 44 alkaline coin cells (included) offer up to 130 hours of battery life. It is equipped with a neck lanyard and a handy push button on/off switch that can be used with only one hand. The L1 LED Light is ideal for all applications and is water resistant (not for diving applications). You break it, we replace it... forever.