If it is often in the wild, then may not have the night in the rain to catch the mountain road experience, this situation will not be without a sufficient brightness of incandescent light source lamps, waterproof and reliability is better, compared to save electricity, the range is more than your priority to consider, in short, you need a good balance of lamps. If you want to save some money, homemade imitation l flashlight and some domestic headlights are also good, but the weight of the volume relative to its brightness is too big point.