If you want to free hands in outdoor nighttime activities, best led headlamp is necessary.
The French PETZL headlamps predominate in the headlamp market. There are two worth mentioning, one is SAXO that is cheapest, and now it is sold for ¥150 online, and the headlamps can also be used as a flashlight, and it is a little heavier with four AA batteries. Another is TIKA, is is 70 grams, and can be used 150 hours, the light actually begen to weak after using in 12 hours, 100 hours is almost impossible. With three AAA batteries can be participate 4,5 times in weekend activities, do not replace the battery, sold ¥270 online, it is value. Another kind is Korean headlamps, which can light more than ten hours with two AA batteries, the price is about ¥150, it is also a good choice. In addition, Geting a tmart discount coupon, you will spend much less money on what you want such as cheap bike lights.
The role of headlamps at night lighting, as well as the role of warning the night, if the team pulled very close, you can open one every one will not affect the line of sight, but also saves power, the most common domestic headlamp plus three South Fu lighting battery probably about two hours; if the team pulled very far, before and after his teammates to rely on headlamps or sound transmission, headlamps at night is to provide some warning of the approach for reference:
1 The former and the latter can be looked at each other to prove the safety of his teammates;
2 The latter has a headlight flashing (call former teammate little suitable rest);
3 While the latter has two headlamps flashing (a dangerous situation, call former teammate).