lumintop fw21 x9l flashlight

Transmitter: 1 Luminus SBT-90.2 LED welded on copper thermoelectric separation substrate 3. Optical lens: aluminum alloy, smooth surface 4. Luminous flux: greater than 6500 lumens 5. Light intensity: about 163800 ANSI long shot about 810 meters 6. FW21 X9L uses free software called Anduril, which is distributed under the terms of GPL V3, and the code can be obtained at http://tiny.cc/TKAnduril 7. Driver: FET+7+1 (7135) driver, the standby current is very low when it is off 8. Cylinder body: hard-coated anodized aluminum 9. Switch: Electronic tail switch 10. Waterproof: equivalent to IPX8 11. Weight: about 126.3 grams without battery 12. Dimensions: 40.2 mm head diameter x 123.5 mm length x 25.2 mm barrel diameter