Features: Three types of light source for illumination, multiple gear adjustments, long pressed to enter strong light modes for illumination, and one clicks to switches gears. The hiddens cigarettes lighter on the back ensures safe cigarettes lighting without burning your hands. Press and hold the open button to turn on the lighter function (the lighter will automatically extinguish in 2 second). Hiddens whistle mouth, small volume with high volume, blowing towards the whistle, the sound spread furthers. Adopting a thickened waterproof rings, with waterproof and circuit insulation protections designs. Equipped with a rotating brackets on the back, the angles can be adjusted freely and the clamping position is firm. The back is equipped with an LED indicators light to display the battery level, allowing you to check the remaining battery level at any times. Using Tpye-c charging port for charging, compatiblewith various charging devices. Multipurpose: Can be used as a lighting light, warning light, whistle, cigarettes lighter, and bottles openers. It can also be used as an outdoors headlight, and the inner box comes with a headrope, without the need for handheld use. Specifications: Material: ABS+aluminum alloy Size: As shown in the picture Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Keychain Light