Note: Without the lens, it is impossible to achieve emergency fire-making in the wild. Material: Made of high-quality aluminum alloy, it offers a comfortable grip, is not easily damaged, and dissipates heat rapidly. Illumination Distance: The strong light can reach over 1000 meters, and the light projection over long distances is concentrated. Waterproof Performance: It reaches the level of daily life waterproofing. The charging port is equipped with a rubber plug for both dustproof and waterproof purposes. Battery Life: The battery capacity is 5000 mAh, and the battery life can last from 4 to 17 hours. Brightness: With white lamp beads, it is small in size but high in brightness, and can project light hundreds of meters over a long distance. Modes: Telescopic focusing allows for focusing on strong light and wide-angle floodlight. There are a total of 6 mode settings. The flashlight with a smart chip has an intuitive on/off switch. After it has been on for more than 10 seconds, a single click can turn it off, and a long press can activate the strobe mode. Special Function: It has an emergency reverse charging function and can be used as a power bank in critical moments. Special Focusing Head: A focusing head can be installed on the head to achieve emergency fire-making in the wild. How to Use 1. Battery Installation Method: Unscrew the rear cover, install the positive pole of the battery pack facing the lamp head, and tighten the tail of the flashlight. (Pay attention to the positive and negative poles of the battery when removing it). 2. Lighting Instructions: (There may be differences in different configurations. Please refer to the received product.) ·Strong Light Illumination: Suitable for search and rescue, illuminating distant targets, and other purposes. ·Medium Light Illumination: Suitable for medium-distance lighting. ·Low Light Illumination: Suitable for close-range lighting. ·Flashing Mode: Suitable for signal indication and self-defense purposes. ·SOS Mode: Suitable for sending out distress signals. 3. Charging Method: To ensure normal charging, please check whether the flashlight is working properly before charging. If it is working properly, you can proceed with charging. ·a. Direct Charging: Insert one end of the charging cable into the charging port of the product, and the other end into a charger (compatible with most charging devices with USB interfaces on the market. It is recommended to use a mobile phone charging head at home for charging). When the indicator light turns on, it means it has entered the charging state. ·b. Charging Dock Type: Insert the battery correctly into the charging slot of the charging dock according to the positive and negative poles, then insert one end of the charging cable into the charging interface of the charging dock, and the other end into a charger (compatible with most charging devices with USB interfaces on the market. It is recommended to use a mobile phone charging head at home for charging). When the indicator light turns on, it means it has entered the charging state. Warning: Do not direct the light into people's eyes. The instant strong light may cause temporary blindness. This product is not a toy. Children should use it under adult supervision. Troubleshooting Check the Battery: Ensure that the battery is charged and installed in the correct direction. Do not use different types of batteries with different voltages simultaneously to avoid burning out the circuit. Check the Interfaces: Ensure that all interfaces are tightened and in good contact to ensure that the copper post of the rear cover makes good contact with the metal sheet of the rear cover pressure ring. If you are unable to troubleshoot the problem on your own, you can contact the online customer service for verification and handling.