The D30 adopts type-c charging method, built-in 18650/2000mAh battery capacity, battery life can reach 3 hours. In addition, the D30 flashlight is designed with multiple lights, which can be adjusted in cycles (strong light-weak light-strobe-off) and be suitable for a variety of lighting scenarios. The red and blue flashing LED lights on the side are more conspicuous. The aluminum alloy cylinder body realizes the high hardness window breaking hammer, which can break the car window and escape quickly in critical moments. The most important point is the solar panel that can generate electricity, which can be charged when it is illuminated, and the battery life is longer. Besides, it also acts as an emergency warning sound, and has a cutter and magnetic suction function.