1.Double-direction clip: on a flashlight typically means that the clip can be attached to the flashlight in two orientations, allowing you to clip it to your pocket, belt, or gear in different ways. This feature flexibility in how you carry or attach the flashlight, making it more versatile for different situations. 2.Buzzer function: 1. Emergency Signaling: The buzzer can be used to attract attention in emergency situations where sound can help locate someone who needs assistance. 2. Emergency Signaling: The buzzer can be used to attract attention in emergency situations where sound can help locate someone who needs assistance. 3.UV/RED/GREEN lights: Ultraviolet (UV) light can be used for various purposes such as detecting counterfeit currency, checking for pet stains, identifying certain minerals, or even for certain types of inspections. Red light is often used in low-light situations to preserve night vision, especially useful for astronomers, hunters, and military personnel. It's less likely to disrupt your eyes' ability to see in the dark. Green light is often used in hunting and tactical situations as it can be easier on the eye compared to white light. It's also useful for map reading and signaling. 4.Tail magnet: The tail magnet is convenient for the user to place the small light on the metal surface as a light source or warning light, etc. On the one hand, it can work or carry out activities with both hands, and on the other hand, it is convenient for the emergency warning light to provide fixed s.