Can be used as a flashlight, UV as a detection tool for money and fluorescence, red blue flash for multi-function warning light, the red flash can work as a signal light during outdoor activities. With a body weight of only 33 g and sized at 15 x 31 x 56mm, it is a small and portable flashlight that can be easily held in hand or carried with keys. Quality: Made of 304 stainless steel, scratch-proof and anti-drop. really dustproof and waterproof, not afraid of wind and rain. The tail is equipped with a magnet that can be firmly attached to metal objects and easily free your hands. It meets the needs of our workshop operations, car maintenance, outdoor camping and other lighting scenarios. Convenient and Fast Charging: The mini keychain flashlight comes with a Type-C charging port that can be fully charged via any USB port, such as computer, power bank, car charger, etc., fully charged in 2.5 hours can be used for 2-76 hours. Portable and lightweight, suitable for outdoor, daily carry, camping, gifts, etc. Easy to use: This pocket size flashlight has a double button design: button 1 for primary LEDs and button 2 for side LEDs that allow you to reach any side light mode directly without going through the main light mode. Double click on, single click switch, off. Except for : long press power on, lose power off.