HDD-2066 CREE Q5 Ultra bright High Power LED Rechargeable Flashlight Material :6061-T6 aerospace aluminum Surface Treatment:II Premium hard-andized oxidation treatment Light Source: 1 * CREE Q5 Brightness: 240-260 lumens Input Voltage: 3.6V 8.6V with a security protection IC Battery: 2 * 18650 Lithium Battery Capacity: 1600mAh -5000Mah The driver: the constant current output: 700mA-1200MA(customer can specify the current output from 700mA-1200MA, higher current, more brightness) Function: 100% brightness, 50% brightness 10% brightness, burst flash, SOS working hours for 100% brightness: 3 hours, 50% brightness : 6hours, 10% brightness: 12 hours. Effective range: 800 meters Weight: 370 grams Size: 49.5 * 248mmFeatures: 1. Switch modes are available: five-speed switch (100% -50% -10% - burst flash-SOS) Third gear switch (100% -30% - Burst flash) 2. CREE Q3.Q4 Can be used as a light source according to demands and the brighteness can be low down correspondingly Description: 1, This product is convenient and practical, suitable for the family standing emergency flashlight; 2, special operational needs (such as levee patrol, search, on-site inspection, security, marine first aid, depending on the night observable, etc.); 3, outdoor activities (hiking, camping, survival, hiking, latent sea, Chuigou, etc.); 4, professional needs (such as the appreciation of jewelry, mineral identification, LCD screeninspect the flashlight, etc.). 5,warning: As the torch of light is too strong, do notirradiatehuman's eyes, and the blindness can be generated temporary since the beam are super bright and dazzling, in particaularly to children