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Very bright light and good range. The pictures shows, the three light settings, first the two LEDs i the middle, second the two times three LEDs in the sides, third all the LEDs and forth with the lamp shut off, just to compare. There is also a mode where all the LEDs is flashing, but this is useless.
Very bright light and good range. The pictures shows, the three light settings, first the two LEDs i the middle, second the two times three LEDs in the sides, third all the LEDs and forth with the lamp shut off, just to compare. There is also a mode where all the LEDs is flashing, but this is useless.
Very bright light and good range. The pictures shows, the three light settings, first the two LEDs i the middle, second the two times three LEDs in the sides, third all the LEDs and forth with the lamp shut off, just to compare. There is also a mode where all the LEDs is flashing, but this is useless.
Доставка заказа за 12 дней. Служба доставки Meest Express, до почтомата. Упаковка товара просто в почтовый пакет, соответственно упаковка фонаря пришла вся поврежденной, сам фонарик не пострадал, все режимы работают. Можно было бы упаковать товар в пупырчатый пакет, но нет , экономия. Сам фонарь неплохого качества, 2 аккумулятора, но наверное небольшой ёмкости, потому что на коробке написан один вес , а в реальности на 100 грамм меньше, в чем подвох? Все режимы работают, зачем режим мигания, не знаю. Могу рекомендовать товар к покупке с некоторыми оговорками , несоответствие между заявленным и реальным.
Delivery of the order in 12 days. Meest Express delivery service, to the postmaster. Packing the goods simply in a postal package, respectively the packaging of the flashlight came all damaged, the flashlight itself was not damaged, all modes work. It would be possible to pack the goods in a пупырчатый bag, but no, savings. The lantern itself is of good quality, 2 batteries, but probably a small capacity, because the box has one weight written on it, and in reality, 100 grams less, what's the catch? All modes work, I don't know why the flashing mode. I can recommend goods for purchase with some reservations, discrepancy between claimed and real.
Delivery of the order in 12 days. Meest Express delivery service, to the postmaster. Packing the goods simply in a postal package, respectively the packaging of the flashlight came all damaged, the flashlight itself was not damaged, all modes work. It would be possible to pack the goods in a пупырчатый bag, but no, savings. The lantern itself is of good quality, 2 batteries, but probably a small capacity, because the box has one weight written on it, and in reality, 100 grams less, what's the catch? All modes work, I don't know why the flashing mode. I can recommend goods for purchase with some reservations, discrepancy between claimed and real.
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A part of the QA has been auto-translated.
0
Q:
Hi. Is it zoomable since the picture shows zoomable?
Hi. Is it zoomable since the picture shows zoomable?
No, it cannot be submerged because it is not waterproof. However maybe you can fit the lamp in a 3rd party waterproof case, with a transparent window of glass or plastic of a suitable thickness for intended depth. Actually at night, if you shine the light beam upon the sea surface, you can see the backs of fish glinting below the water, but the beam did not penetrate very far below... Perhaps about 3 to 5 metres? Your results may vary, other seas may be more opaque, polarising spectacles may be required to be worn.
No, it cannot be submerged because it isn't waterproof. However maybe you can fit the lamp in a 3rd party waterproof case, with a transparent window if glass or plastic of a suitable thickness for intended depth. Actually at night, if you shine the light beam upon the sea surface, you can see the backs of fish glinting below the water, but the beam did not penetrate very far below... Perhaps about 2 to 3 metres? Your results may vary, other seas may be more opaque, polarising spectacles my at be required to be worn.
Lumen (unit)
unity
The lumen (symbol: lm) is the unit for luminous flow. More information: Small units, factor...
The lumen is a measure of the total amount of visible light emitting a light source in all directions. The lumen is a derived unit from the SI system. 1 lumen is the lumen of a pointed light source whose light is combined in 1 steradial and emits 1 candela. More generally, the lumen flux is equal to the product of the luminous luminous intensity of the source in candela and the space angle in which the light is emitted in steradial. One lumen is therefore equal to one CD sr. In other words, since a sphere is 4π steradials, a light source emitting a uniform luminous intensity of 1 candela in all directions, a total luminous flux of 4th lumen The intensity of light (as electromagnetic wave) is usually represented by the Poynting vector in W to m². Since the eye can only detect a part of the EM spectrum (most sensitive to 550 nm (green) waves), the lumen is also defined as equivalent to a power of 1 to 683 watts at this wavelength. The luminous flow is the total amount of light in a beam. If one looks at a part of a beam, that part has a smaller luminous flux (in lumen) but (in principle) the same luminous intensity (in candela) as the whole bundle. The luminous flow depends on the power of the source and on the colour of the light. A LEDLAMP gives a luminous flow of 40 to 100 lumen per watt.
Lumen (unit)
unity
The lumen (symbol: lm) is the unit for luminous flow. More information: Small units, factor...
The lumen is a measure of the total amount of visible light emitting a light source in all directions. The lumen is a derived unit from the SI system. 1 lumen is the lumen of a pointed light source whose light is combined in 1 steradial and emits 1 candela. More generally, the lumen flux is equal to the product of the luminous luminous intensity of the source in candela and the space angle in which the light is emitted in steradial. One lumen is therefore equal to one CD sr. In other words, since a sphere is 4π steradials, a light source emitting a uniform luminous intensity of 1 candela in all directions, a total luminous flux of 4th lumen The intensity of light (as electromagnetic wave) is usually represented by the Poynting vector in W to m². Since the eye can only detect a part of the EM spectrum (most sensitive to 550 nm (green) waves), the lumen is also defined as equivalent to a power of 1 to 683 watts at this wavelength. The luminous flow is the total amount of light in a beam. If one looks at a part of a beam, that part has a smaller luminous flux (in lumen) but (in principle) the same luminous intensity (in candela) as the whole bundle. The luminous flow depends on the power of the source and on the colour of the light. A LEDLAMP gives a luminous flow of 40 to 100 lumen per watt.
Answered by BG483222118 on 18/10/2020Helpful (0)
0
Q:
If I Buy One of them It Gets Here in Pernambuco???
se Eu Comprar um deles Ele Chegar Aqui em Pernambuco???
Can'ttell. Good for walking or jogging at night and perhaps riding a bike, but would not travel too fast with it (ie motorbike) because the visibility distance is probably not good enough. Certainly fine for walking in the dark or in dark places. Lights up inside very effectively.
Can tell. Good for walking or jogging at night and perhaps riding a bike, but would not travel too fast with it (ie motorbike) because the visibility distance is probably not good enough. Certainly fine for walking in the dark or in dark places. Lights up inside very effectively.
ContactCustomer Support to find the problem. This option is for asking other customers about the product who have already bought the product. We can't tell you why your order has not arrived unfortunately. 1085
Contact Customer Support to find the problem. This option is for asking other customers about the product who have already bought the product. We can't tell you why your order has not arrived unfortunately. 1085
Answered by gbrookes on 18/01/2025Helpful (0)
0
Q:
How many lumens?
And how long does the battery lasts in full light??
How many lumens?
And how long does the battery lasts in full light??