Feature: 1. Protection Function: Safety protection, over protection function and high temperature protection function, which can prevent the flashlight from being damaged by overheating or being burned to the skin. 2. Wide Illumination Range: Zoom flashlight uses 7 high quality lamp beads, high power wicks, ultra long life, 8000LM ultra high brightness, and the illumination range is farther and wider. 3. Fashion Appearance Design: Simple and elegant fashion appearance design, aviation aluminum alloy body, black anodized, stylish appearance, good feel. 4. Aluminum Alloy Barrel: Aluminum alloy barrel, simple and elegant, stylish appearance, durable, can be used in emergency, waterproof design, rainproof, outdoor use at ease. 5. Lightweight and Portable: LED flashlight is light in weight, small in size, easy to carry, suitable for outdoor, adventure, travel, mountaineering, hiking, etc. Specification: Item Type: LED Flashlight Material: Aluminum Alloy Weight: Approx. 342g / 12.1oz Product Model: For K27 Golden Irradiation Distance: Approx. 300-500meters / 328.1-546.8yd Bulb Type: T6 x 7 Product Size: Length Approx. 137mm / 5.4in, Head Diameter Approx. 60mm / 2.4in, Tail Diameter Approx. 54mm / 2.1in Dimming Mode: Strong Light, Low Light, Long Press for 2 Seconds to Flash Luminous Color: White Light Switch Type: Lamp Holder Push Switch Waterproof Grade: IPX5 (Anti Drenching, Anti Ssplashing Water) Battery: Use 4 18650 Lithium Batteries (Battery Not Included). Package List: 1 x Flashlight (Battery Not Included) 1 x Waterproof Circle1 x Lanyard