The Streamlight Strion C4 LED is the World's brightest ultra-compact rechargeable flashlight. It features a rechargeable lithium ion battery which is rechargeable up to 500 times. This handheld flashlight features 3 modes of light intensity ranging from 40 lumens to 260. The machined aircraft grade aluminum and waterproof construction ensure your flashlight lasts through all of your wild outdoor adventures! The tail cap switch has constant or momentary on feature. The Strion is water resistant and made of aircraft aluminum with an anodized finish. Streamlight's most powerful re-chargeable flashlight for its size. The beam shape is designed for a long throw with minimal sidespill. Serialized for positive identification. Comes with a DC charger.