The Black Diamond Spot 400 Azul is a must-have for camping, various outdoor activities, or household chores. The power of the headlamp is 400 lm, which is the right choice for demanding users who are often in unlit areas. The luminous flux is up to 86 m . The light source of the Black Diamond headlamp is an LED diode. We classify this model among LED headlights. The lifetime of the Black Diamond headlamp is somewhere around. The capacity of the internal battery is 1500 mAh, thanks to which it can shine for up to 200 hours. This model uses energy from both a rechargeable battery and disposable batteries. You will need 3 batteries in total. This headlamp is suitable for walking in the rain and in humid environments , as it is waterproof.