Intrinsically safe rating, high performance, and compact size, makes this headlamp ideal for confined space entry. The Class I, Division 1 rating makes the EOS II the safest choice when working in hazardous environments. Single Maxbright Rebel LED puts out an incredible 80 lumens and has a running burn time of up to 115 hours. Features a rubber headband that really sticks to an industrial hard hat or a river rescue helmet. Waterproof to one meter, the EOS II is an excellent choice when swimming rivers or working in other environments. Also comes with the standard elastic strap and VELCRO® mounting patch. Three AAA alkaline batteries included. Maximum burn time: 115 hours when used with (3) alkaline batteries.