1、Telescopic Zoom: LED flashlight uses high quality lamp beads, telescopic zoom, flood mode: shorten the length of the lamp holder to make the light irradiation area wider, and spot mode: extend the length of the lamp holder to make the light irradiation area more concentrated. 2、Safety Protection: Over protection function and high temperature protection function can prevent the flashlight from being damaged by overheating or being burned to the skin. 3、Fashion Appearance Design: Simple and elegant fashion appearance design, aviation aluminum alloy barrel, 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 safe use. 5、Lightweight and Portable: LED flashlight is light in weight, small in size, easy to carry, suitable for outdoor, adventure, travel, mountaineering, hiking, etc. It can also be used as an emergency flashlight for families. Item Type: LED Flashlight Material: Aluminum Alloy Weight: Approx. 101g / 3.6oz Gear Position: 4 Levels (Strong Light, Weak Light, Flashing, Long Press SOS) Use Battery: Use 1 x 18650 Lithium Battery (Battery Not Included) Charging Method: USB for Android Direct Charge Waterproof Performance: Life Waterproof Zoom: Telescopic Zoom Product Size: Lamp Holder Diameter Approx. 3.3cm / 1.3in, Shrink Length Approx. 11.8cm / 4.6in, Stretch Length Approx. 12.7cm / 5.0in 1 x Flashlight (Battery Not Included) 1 x USB Cable