1、Made of high quality aluminium alloy material, sturdy and durable. 2、Life of 640000 hours, high brightness and long service life. 3、Waterproof and lightweight design, convenient and practical, easy to carry and use. 4、It has an output of 3600 LM and a long range of 384 meters. In low light mode, the maximum endurance is 64 hours. 5、Suitable for hiking, camping, outdoor riding, fishing, hunting, work use, exploration, security, exploration, patrol, power failure at home. Features: 1. Made of high quality aluminium alloy material, sturdy and durable. 2. Life of 640000 hours, high brightness and long service life. 3. Waterproof and lightweight design, convenient and practical, easy to carry and use. 4. It has an output of 3600 LM and a long range of 384 meters. In low light mode, the maximum endurance is 64 hours. 5. Suitable for hiking, camping, outdoor riding, fishing, hunting, work use, exploration, security, exploration, patrol, power failure at home. Specifications: Material: Aluminum Alloy Color: Black Working Voltage: 3.7V Input Voltage: 5V/1A Output Current: 7.5VA Light Color: White Light Source: LED Color Temperature: 7500K Switch Type: Lamp Head Press Switch Surface Treatment: Wear-resistant Anodic Oxidation Oxidation Treatment: Three-level Oxidation Treatment Waterproof Rate: IPX8 Battery: 2/3*18650 Zoom Function: No Dimming Mode: Candlelight/Medium/High/Burst/SOS/Candlelight Cycle Adjustment Lighting Distance: 200-400 Meters Luminous Flux: 3600LM Lifespan: 100000H Weight: 423g/ 14.92oz(Approx.)  Size: 22.20* 5.40* 22.20cm/ 8.74* 2.13* 8.74in(Approx.)  Package List: 1 * Flashlight 1 * Instruction  1 * Extension Tube 1 * Sling  3 * Rubber Gasket