This style of flashlight is developed, produced and sold by our factory. The tail USB interface charges mini strong light lighting small flashlight [item No. SY-501], with exquisite appearance, small and exquisite, exquisite and color box packaging. There are Matt Black and local gold colors to choose from. Built-in 16340 chargable lithium battery, rear USB interface charging, can direct plug charging on the USB interface of the computer is convenient and fast without charger and charging cable. Stretch focusing design, can be near or far away, go forward bravely in the night, night riding, night tour, exploration is a good helper.

Tips: Please place the flashlight in a place that children cannot touch when charging to avoid accidents.

Strong light flashlight instructions
1. Instructions for Use of the switch
1. The battery is the positive pole facing inside (the side of the lamp holder), and the negative pole facing outside (the tail).
2. The switch is at the tail, the switch function bearing switch is the switch function, and the light switch is the dimming function.
II. Circuit board instructions
1 torch adopts advanced constant voltage and constant current technology, which can effectively solve the requirement of constant voltage and constant current for LED torch.
2. Special tips: a. Do not use it over pressure, and the voltage should not exceed 4.2V B. The battery is facing forward, do not set it in reverse, otherwise it will burn plate c. Pay attention to controlling the change of flashlight temperature to ensure heat dissipation d. Do not open the circuit board for non-professionals.
3. Warranty description: no longer covered by warranty after opening or handling the circuit board.
III. Lithium battery instructions
1. Most torch batteries mainly use 18650 and 16340 lithium batteries.
2. Features of lithium battery: the charging method of lithium battery is completely different from that of mobile phone battery; Lithium battery has no memory and can be charged at any time, and should not be overcharged and overdischarged.
3. It takes at least 6 hours to charge for the first time, and then it will be OK to turn on the green light according to the charger. No charge is required.
4. When the natural discharge rate of lithium battery is not in use, it releases 1% or less of its charge on a big date every day. Although it is slow, it prevents it from being placed for too long.
5. Pay attention to the waterproof, period-proof and fall-proof of the battery.
6. Special tips: use a "three-proof" charger with anti-overcharge, anti-reverse connection, and anti-short circuit;
7. If you do not use the battery for a long time, you should fully store the battery and charge it once again in about three months normally;
8. Warranty description: the battery is no longer covered after it leaves the factory.
IV. Instructions for Use of flashlight
1 torch, choose according to the requirements of the flashlight on voltage and battery. Do not use it indiscriminately to prevent the circuit board from being burnt out. Do not use batteries of different models and voltages at the same time.
2. In use, when the brightness of the flashlight changes significantly, turn off torch to prevent the battery from being over-discharged.
3. Heat dissipation skills: ensure heat dissipation during the use of the flashlight. When the battery is fully charged, it is strongly required to use the second gear first, so that the lamp holder and battery of the flashlight can prolong the service life of the product! Holding torch tightly by hand is a good heat dissipation type; It is suggested that when the flashlight is lit, it should be dissipated or turned off in time according to the heating condition of the flashlight, and then lit up after the temperature drops, so as to dissipate heat.
4. Strengthen prevention according to the instructions of flashlight on waterproof and shockproof.
5. Keep the inner wall of the lamp Cup clean, and do not wipe it with hands or harder objects; The fingerprints on the clear lens can be gently wiped with cotton swab lens cleaner.
6. Do not direct the flashlight to people's eyes so as not to affect their eyesight, especially children.
7. If you do not use the flashlight for a long time, please take out the battery (one month or longer) to avoid chemical corrosion.
V. Protection instructions
1. Do not contact torch with sunlight, water, chemicals and corrosive gases for a long time to avoid damaging the protective layer of the flashlight.
2. In order to keep the "0" ring and thread spinning smooth, wipe Vaseline oil on its surface 2-3 times a year.
VI. Troubleshooting
1. Check the battery: make sure that the battery has electricity and the battery is installed in the correct direction. Batteries of different brands cannot be used. New and old batteries cannot be mixed.
2. Check tail hood: make sure that the switch is tightened and in good contact, and ensure that the tail Hood copper cylinder is in good contact with the tail Hood pressure ring metal sheet.
3. Pay attention to whether the lamp holder is loose.

Several common mistakes in purchasing flashlight
Misunderstanding 1: The higher the brightness, the better

The first way to improve the brightness in flashlight is to improve the overall platform from the lamp holder to reflective bowl, battery, main lever design, etc. International brands and domestic famous brand products have undergone rigorous design and testing to ensure service life and safety.
The second method is plus-sized the voltage and current to achieve: the heating of the rear foot caused by overclocking is huge, because the two do not match, resulting in frequent burning of the lamp holder and lithium battery often over discharge, it can only be lit for a few minutes and often needs maintenance.
Misunderstanding 2: misled by false parameters
A lot of sellers intentionally or unintentionally
myth 3: Orange Peel reflective Bowl may not be better than glossy ones
The reflective efficiency of orange peel reflective bowl is lower than that of glossy. You can find that the high-power search lights on the market are basically glossy bowls, because the reflective efficiency is high and the range is long. So why do most tactical flashlight use orange peel reflective bowl? The reason is very simple, in order to get a perfect spot. Because the bulbs we usually use have filament, and the spot reflected by reflective Bowl happens to be a projection of filament, and its principle is similar to the phase formation principle of convex lens. In this way, the light spot is a clear filament, which is very ugly. Let's look at the parameters more to see the actual effect!
What we sell is flashlight real marked brightness, long battery life, pure and white light color, good concentrating effect! It is an excellent auxiliary tool such as work and field sports!
Advantages of this mobile phone: small size, light weight, easy to carry, strong and durable, with all-weather use function, strong light, long direct distance, strong light can be selected, strong light-far time, low light-recent photo, emergency-flash. The top oxidized titanium alloy strengthens the design of one stroke, which can replace safety hammer in case of emergency to smash the car window to escape.
[FAQ]]
Q: Do you need to charge before using it?
Answer: Please use it first. When there is flashlight light and dark spots, charge it for 4 hours before using it. Lithium batteries are most afraid of over-discharge. Please develop the habit of charging at ordinary times.
Q: What should I do if the bulb is broken?
A: If the lamp life is unfortunately broken, you can contact us to exchange it at a discount.
Q: What is lithium battery over discharge?
Answer: the brightness is obviously weakened and continues to be used, resulting in battery damage. Even after professional activation, the power will be significantly reduced. Therefore, please pay attention to the maintenance of the battery at ordinary times and charge more.
Precautions for use of strong light flashlight
Do not disassemble the lamp holder frequently to avoid reflective cup or bulb damage.
Bright light flashlight Maintenance precautions
When using, please carry out routine maintenance on the flashlight so that it can continuously provide you with high-quality service.
1. Wipe torch with a clean soft cloth after each use.
2. When torch is contaminated with seawater or corrosive liquid, please clean it with clean water and dry it with a hair dryer.
3. When the lamp holder and tail Hood are not smoothly twisted, please apply a small amount of silicone grease at the interface.
4. Please take out the battery and store it in a cool place when the flashlight is not in use.