Highlights: As is made up of aluminum alloy material, the casing of the flashlight is very firm & durable. After a special oxidizing procedure, it avoids sleeking & rubbing to make it more comfortable in your h&. With the water-proof design, it deals with a nasty wild environment easily. With a hanging string at the end of the flashlight, it is easy to take along. The lifespan of the LED is 10, 000 hours, & the brightness output is very high, a good choice for outdoor activities. Specification:LED Brand: CREELED model number: Q5LED Power (W): 3 Colour Temperature: 6000-6500 K Brightness: 210LMFunction Mode: High-Mid-Low-Strobe-SOSBattery: 18650 Dimensions (Cm): 14.5 4.5 4.5 Shipping Weight (g): 131 Package Contents: 1 Flashlight, 1 Hand