Built Pelican tough Light weight, comfortable and well-balanced Super bright LED beam Unconditional Lifetime Guarantee of Excellence Pelican™ HeadsUp Lite™ Headlamp The 2610 provides hands-free light where you need it, when you need it. A dual mode button activates all 3 LEDs for full brightness, or just 1 to extend battery life. The adjustable cloth strap fits comfortably and securely on your head, while the rubber strap grips tightly to hard hats and helmets. Both are included, as well as 3 AAA alkaline cells. The HeadsUp Lite 2610 is ideal for reading maps and light duties around the campsite. Built Pelican tough Light weight, comfortable and well-balanced Super bright LED beam Unconditional Lifetime Guarantee of Excellence LENGTH:  4.64" (11.8 cm) WEIGHT WITH BATTERIES:  9.7 oz (275 gr) WEIGHT WITHOUT BATTERIES:  6.1 oz (173 gr) BODY: ABS O-RING: Ethylene Propylene LENS: Polycarbonate (PC) SHROUD: ABS CONTACT SPRING RETAINER: Stainless Steel SUBMERSIBLE:  yes SWITCH TYPE:  Twist Side Switch LIGHT MODES:  On / Off BATTERY SIZE:  AA BATTERY TYPE:  Alkaline BATTERY QUANTITY:  4 BATTERIES INCLUDED:  yes VOLTS:  6.0 v LAMP TYPE:  LED CERTIFICATIONS: Class I, Division 2   /  Class II, Division 2   /  Class III, Division 2