Woputne Desk Lamp Clip Light, 10 Dimmable Brightness 3 Light Modes Reading Light, Clamp Bedside Lamp for Gaming, Painting, Craft, Study, Video Conference(Black)

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Traditional incandescent and the least efficient halogen light bulbs are being taken off the market in favour of energy efficient alternatives. Colour temperature is measured in kelvin and indicates the colour of the light emitted from a light bulb, whether it is warm or cold light. Unless you have a bare bulb most of the light will be directed more or less straight up and down by the shade and if you can put the lamp up higher more of that downward light will spill into your reading area.

Most lamps are encased inside a light fitting consisting of elements such as diffusers and reflectors. A 100w bulb will generate more heat, which might melt or burn other parts of the lamp, such as any plastic or the lampshade. Then you should go up to the Kelvin scale to 4000K, but our top tip is to combine this type of bulb with a lamp and a lampshade for a more diffused light.Candles, for example, have a Kelvin temperature of around 2200K, which is also the temperature that gives off the cosiest light in a room. In addition to light itself, there are other factors to consider when measuring the amount of light emitted. The clamp lamp has 10 brightness levels and the CRI is more than 90 (max100), and it provides 12W power, high brightness, low energy consumption. They mention it's the perfect size, the clever design takes up really minimal space, and it'd be suitable as a small desk lamp.

The assumption is that a 100-watt light bulb, for example, is naturally going to be brighter than a 40-watt bulb. Personalised advertising may be considered a “sale” or “sharing” of information under California and other state privacy laws, and you may have a right to opt out. Let's assume a very simple model of the lamp (real impedance, constant with current, temperature and voltage).

If you are doing so on your bed, then have a mounted wall lamp, as this will directly illuminate the reading material. The candela (cd) is the standard unit of luminous intensity or brightness of a light in a specific direction.

Bulb with SMD LED technology and opaque coverage with a 200 ° light beam and luminous flux up to 5400 lumens. We have all bought 50W or 60W conventional bulbs or spotlights in the past expecting a certain level of brightness. The candela is mostly used when dealing with focused light, such as a torches or spotlights, and as such often isn’t stated on luminaires. I live alone and don't want to turn on 2 different lamps, on both nightstands, each night when I read in bed.In simple terms, Lumens (denoted by lm) are a measure of the total amount of visible light (to the human eye) from a lamp or light source. She enjoys discovering new ways in which lighting can affect science, mental health and of course, most of all, reduce our carbon footprints. Energy companies use watts to track the amount of electricity we use in Kilowatts per hour (kWh), which is 1,000 watts of power over one hour of use.

While any bright light is good for reading, there are certain specifications that will enhance your reading experience. Some of the technologies we use are necessary for critical functions like security and site integrity, account authentication, security and privacy preferences, internal site usage and maintenance data, and to make the site work correctly for browsing and transactions.Like the helpful nutrition label on food products, the Lighting Facts label helps consumers understand what they are really purchasing. When choosing a light bulb for functional or general lighting, you should start with a bulb with a higher lumen, preferably between 400 - 806 lumens, but it is possible to go higher. Its compact footprint makes it perfect for small spaces, while its premium finish adds a touch of elegance to your room.