• High reliability.

    Outdoor sports require lighting tools to be "usable at any time." Lighting tools with poor reliability are fatal if they fail to work at critical moments, and the most serious may lead to life-threatening. Therefore, high reliability is the most important principle for choosing an outdoor flashlight.

• Good waterproof performance.

   Compared with home, the first problem to be solved outdoors is waterproofing. Of course, the reassuring waterproof standard is IPX-7. The outdoor flashlight can be used normally when immersed in shallow water (usually within 1 meter). Of course, rain resistance is not important. Down, in a sense, waterproof is also the content of outdoor reliability

• Small and light.

   Outdoor flashlights should be as small as possible and light in weight. Do not increase the load when going out, saving energy. Personal outdoor flashlights are best controlled within 100g. Of course, powerful outdoor flashlights need to pay more for weight and volume.

• Power saving.

   It is impossible to carry a large number of batteries in outdoor activities, so try to choose an efficient outdoor flashlight to ensure sufficient brightness and long battery life. It is best to have a low-brightness flashlight, which can last for more than tens of hours, in case it is continuously lit for more than a week every night under extreme conditions.

• High Brightness.

   The outdoor environment is complicated, and no one can guarantee what kind of situation you will face. When high-brightness lighting is required, insufficient flashlights are very dangerous.Therefore, a high-brightness outdoor flashlight is a necessary lighting tool, especially for exploring unfamiliar roads. The maximum brightness of an outdoor flashlight is preferably above 100 lumens.

• Multi-speed dimming.

   The emergence of outdoor flashlight multi-speed dimming technology finally makes the brightness and battery life of the fish and bear's paw appear on the same flashlight. You can choose the most suitable brightness for different purposes such as camping, hiking, and searching, while reasonably saving valuable electrical energy.At the same time, the multi-speed dimming technology also derives many auxiliary functions, such as the SOS distress signal, which can send out a distress Morse code when encountering danger to seek help from search and rescue personnel.

• Constant brightness

   When the outdoor flashlight is working, as the battery consumes less voltage, the brightness of the traditional flashlight also decreases, and the lighting effect gradually deteriorates. When the brightness of the flashlight drops to a certain level, it can no longer provide suitable lighting. Replacement battery. At this time, the battery power is often less than half, so this part of the power is wasted.The emergence of outdoor flashlight constant brightness technology has solved this problem. Hengliang flashlight can ignore the change of battery voltage and provide almost constant brightness most of the time, which not only improves the lighting effect, but also makes full use of every battery. Divide.

• Easy access to batteries

   Outdoor flashlights are best to use batteries that can be purchased in small village shops or even small villages. In most cases, the ideal battery with this characteristic is an AA battery or AAA battery

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