Popular Smartphone LED Flash & Fill-light 16 LED Flashlight for Selfie Shutter Function - Unboxing
Автор: First Experience
Загружено: 2018-01-09
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Описание:
Popular Smartphone LED Flash & Fill-light 16 LED Flashlight for Selfie Shutter Sync Function - Unboxing.
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FLASHLIGHT SPECIFICATIONS
There are many ways to compare the features and specifications of a flashlight, and in this article, we will explain the most common of these features.
Light Output
Light output, reported in lumens, is determined by the total amount of light coming out-the-front (OTF) of the flashlight, which is related to the LED’s efficiency and how much power it uses.
500+ lumens
Typical output of a ultra-high outputLED flashlight.
250-500 lumens
Typical output of a high-output LED flashlight.
80-250 lumens
Typical output of a mid-range LED flashlight.
20-80 lumens
Typical output of a general purpose LED flashlight.
Beam Intensity
Peak beam intensity, reported in candela, represents brightness as perceived by the human eye and is related to how the beam is focused by the optical system (typically a reflector, lens, or optic). Our perception of brightness is non-linear, and for a light to appear twice as bright as another, its beam intensity has to be four times that of the other light.
90 seconds
Quick charge for capacitors.
2-3 hours
Average charge time for NiCd/NiMH fast-charge rechargeable flashlight systems.
3-5 hours
Average charge time for Li-Ion rechargeable flashlight systems.
10-12 hours
Standard charge for NiCd/NiMH batteries, which is generally unnecessary.
Charging Options (for Rechargeable Flashlights)
Cradle Charge
Most convenient for recharging a flashlight, the cradle also provides a place to store or mount the flashlight.
Battery Charge
Allows batteries swapping, allowing the flashlight to be ready to use immediately if a charged battery is available. However, batteries must be removed from the light before charging.
Charging Power Source (for Rechargeable Flashlights)
120V AC
Standard wall charger for North America.
12V DC
Vehicle adapters are usually offered as an option.
5V DC
USB charge for compact lights.
This Product on-
Brothers Multimedia & Telecom.
852, Pitri Chaya Lotif Plaza,
Post Office Road, Middle Badda,
Badda, Dhaka-1212, Bangladesh.
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