1, it is best to buy the kind of light bulbs, and then is to test the light in a dark place, the light is white, the spotlight is better, or can adjust the kind of spotlight.
2, As for the rain is a must, because after the door does not rain the world can not be you, can not see the personal use of diving.
3, if you want to buy the kind of LED, I said a test method: generally are equipped with three batteries, you first installed two batteries, the third quarter with a short key to see how the brightness, normal bright This is the kind of boost circuit.
4. The advantage of the headlight with boost circuit is that the light illumination is even and lasting (compared with the headlights without a boost circuit), and the lighting time is relatively long (about 30 hours for the brand name [AA] battery), as the camp lamp (It means being used in a tent) Ideal;
5. The disadvantage of headlamps with a boost circuit is that such headlights have poor waterproof performance (most are not waterproof).
6, such as the night climbing, it is best to use the headlight of the light bulb as the main source of light is ideal, because it is at least 10 meters in effective distance (2 AA batteries), but also has 6 to 7 hours of normal brightness , And most of them can be rain-proof, and then bring two spare batteries for one night without worrying (don't forget to bring a spare flashlight, use it when changing the battery).
2, As for the rain is a must, because after the door does not rain the world can not be you, can not see the personal use of diving.
3, if you want to buy the kind of LED, I said a test method: generally are equipped with three batteries, you first installed two batteries, the third quarter with a short key to see how the brightness, normal bright This is the kind of boost circuit.
4. The advantage of the headlight with boost circuit is that the light illumination is even and lasting (compared with the headlights without a boost circuit), and the lighting time is relatively long (about 30 hours for the brand name [AA] battery), as the camp lamp (It means being used in a tent) Ideal;
5. The disadvantage of headlamps with a boost circuit is that such headlights have poor waterproof performance (most are not waterproof).
6, such as the night climbing, it is best to use the headlight of the light bulb as the main source of light is ideal, because it is at least 10 meters in effective distance (2 AA batteries), but also has 6 to 7 hours of normal brightness , And most of them can be rain-proof, and then bring two spare batteries for one night without worrying (don't forget to bring a spare flashlight, use it when changing the battery).
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