Military LED FlashlightsFlashlights are waterproof and have a push-button On/Off switch. 4EZD8 has a light head that locks at 180° and 90° and has discrete switches for each LED for easy operation. Streamlight models have a head that articulates 185° and contains 7 LEDs with 4 light levels.Meet MIL-STD-810F, Method 512.4.Military Approved Headlamp, Description/Special Features Red, Helmet Mount, Molle Mount, Directional Boom, Battery Size 2032, Number of Batteries 1, Battery Burn Time 36 Hrs., 10 Lumens, Lamp Type LED, Lamp Life 10K Hrs., Light Output Modes 2, Body Color Olive Drab, Body Material Nylon, Weight with Batteries .60 Oz., Clear Lens, Switch Type Push Button, Beam Type Wide, Helmet, Molle, Magnet, Picatinny Mounting, Number of Straps 1, Length 4 In., Dia. 1 In., Beam Distance 8 (m), Light Output 10 L