Strion LED Rechargeable Flashlight, Without Charger C4 LED technology for extreme brightness. . Compact, snap-in charger mounts in any position. . IPX4 rated design; water operation. . Serialized for positive identification. . High: Up to 2 continuous hours. . Medium: Up to 4 continuous hours. . Low: Up to 7.5 continuous hours. . Strobe: Up to 5.5 continuous hours. . Lithium Ion with on-board safety control circuit, 3.75V, 2000mAh min, rechargeable up to 500 times. . Multi-function, push-button tactical tailswitch. One handed operation of momentary, variable intensity or strobe mode. Tail cap rotates for “SAFE” position. . Light Source: C4 LED technology, impervious to shock with a 50,000 hour lifetime.. Case material: Machined Aircraft Aluminum with anodized finish 74300