Product details:

Features Uses the nine pieces of American CREE XHP35 HI LEDs, with a lifespan of up to 50000 hours. Built-in self-testing intelligent charging circuit which is convenient, fast and safe. Seven power levels which can be changed quickly with instant turbo available. Maximum output up to 20000 lumens. Battery capacity indicators show the battery level at any time. High efficiency constant current circuit maintains consistent brightness. Built-in thermal control module automatically adjusts the brightness output to keep the unit from overheating. Combination of toughened ultra-clear mineral anti-reflective coated glass Aluminium SMO reflector. Aerospace-grade aluminium alloy body, wear-resistant Type III hard-anodized surface treatment. Operating Modes: Turbo (20000-8000 Lumens 3.5-56minutes) High (8000 Lumens / 62min) Middle High (5000 Lumens / 1h 40min) Middle II (2500 Lumens / 2h 40min) Middle I (1200 Lumens / 5h 20min) Middle Low (500 Lumens / 12h 45min) Low (200 Lumens / 26h) Length: 205 mm (8.07 in.) Head Diameter: 129.5 mm (5.10 in.) Body Diameter: 55.5 mm (2.18 in.)