Feature:1. Nano Level Craftsmanship: Adopting nano level craftsmanship to improve the durability of the wick, strictly control the quality issues, let you experience a different brightness.2. Luminous Shell: After the flashlight is turned off, the cup is covered with red fluorescent light that will continue to glow for 30 seconds, making it easy to find in the dark.3. Shark Pattern Heat Dissipation: Imitation shark fin shell, better heat dissipation system, accelerate heat dissipation, increase the service life of lamp beads.4. High Sealing Degree Shell: Insulate rainwater from entering, even if rain or snow bad weather can be used normally.5. Telescopic Focus: Adjust the distance, near and far, near and far to switch the spot size, spotlighting for long distance shooting, floodlighting for close range large area lighting.Specification:Item Type: Flashlight Weight: 354g / 12.49oz Shrinking Product Size: Approx. 5x18.5cm / 2.0x7.3inStretching Product Size: Approx. 5x20.5cm / 2.0x8.1inPower Supply Battery: 1 x 26650 lithium battery (not included)Light Source: High light-medium light-low light-burst flash-SOSFunction: telescopic zoom, power displayMaterial: Aluminum AlloyLight Source: White lightCharging Method: USB Type C.Package List:1 x Flashlight 1 x USB Cable