LED Light Bulbs: 3W

Item No:LED Bulb 3W

LED Quantity: 39pcs
Power: 3W light bulb
Color: White
Luminous Flux: 180lm
Shape: Ball

LED Light Bulb: 5w

Item No:LED Bulb 5W

LED Quantity: 69pcs
Power: 5W
Color: White
Luminous Flux: 300lm
Shape: conical

LED Bulbs: 7w

Item No:LED Bulb 7W

LED Quantity: 100pcs
Power: 7W
Color: White
Luminous Flux: 450lm
Shape: ball

Feature of LED LIGHT BULBS

China Faryuan LED light bulb can be used to replace your standard fluorescent or halogen light bulbs
LED bulbs give off directional light, so light goes where you want to aim it.
LED light bulbs are closer to the color of daylight — it is good for staying alert.
The bright, white LED light produced by our LED Light Bulbs works especially well for task lighting and reading light.

Very Low power consumption of the LED bulbs they do not work with all of the photo cell light controls found in light fixtures.

LED bulbs contain No Mercury like CFLs.

E-27 is the specific size of the screw base for LED bulbs, E 27 size works in all common fixtures.

PAR mean: PAR is the meaning of Parabolic Aluminized Reflector
PAR is also a unit of bulb measurement.

Definition of LED Lamp

LED lamp is a type of solid state lighting (SSL) that use light-emitting diodes (LEDs) as the source of light, rather than electrical filaments plasma (used in arc lamps such as fluorescent lamps), or gas.

LED lamps (also called LED bars or Illuminators) are usually clusters of LEDs in a suitable housing. They come in different shapes, including the standard light bulb shape with a large E27 Edison screw and MR16 shape with a bi-pin base. Other models might have a small Edison E14 fitting, GU5.3 (Bipin cap) or GU10 (bayonet socket). This includes low voltage (typically 12 V halogen-like) varieties and replacements for regular AC mains (120-240 V AC) lighting. Currently the latter are less widely available but this is changing rapidly.

SSL/LEDs LEDs come in multiple colors, which are produced without the need for filters. A white SSL can be comprised of a single high-power LED, multiple white LEDs, or from LEDs of different colors mixed to produce white light.

Advantages include:
High efficiency - LEDs are now available that reliably offer over 100 lumens from a one-watt device, or much higher outputs at higher drive currents.
Small size - provides design flexibility, arranged in rows, rings, clusters, or individual points High durability - no filament or tube to break.
Life span - in properly engineered lamps, LEDs can last 50,000 - 60,000 hours
Full dimmability – unlike fluorescent lamps, LEDs can be dimmed using pulse-width modulation (PWM - turning the light on and off very quickly at varying intervals). This also allows full color mixing in lamps with LEDs of different colors.
Mercury-free - unlike fluorescent and most HID technologies, LEDs contain no hazardous mercury or halogen gases

However, some current models are not compatible with standard dimmers. It is not currently practical to produce high levels of room lighting. As a result, current LED screw-in light bulbs offer either low levels of light at a moderate cost, or moderate levels of light at a high cost. In contrast to other lighting technologies, LED light tends to be directional. This is a disadvantage for most general lighting applications, but can be an advantage for spot or flood lighting. Because individual LEDs are low-voltage DC devices, implementing SSL to operate from mains AC requires well designed circuitry and a thermal case to dissipate the heat.

LED Light Bulbs' advantages, Compared to other lighting technologies

Incandescent lamps (light bulbs) create light by running electricity through a thin filament, thereby heating the filament to a very high temperature so that it glows and produces visible light. A broad range of visible frequencies are naturally produced, yielding a pleasing warm yellow or white color quality. The incandescing process, however, is highly inefficient, as over 98% of its energy input is emitted as heat.[citation needed] A standard 100 watt 120 VAC light bulb produces about 1700 lumens, about 17 lumens per watt. Incandescent lamps are relatively inexpensive to produce. The typical lifespan of a mains incandescent lamp is around 1,000 hours.[citation needed] They work well with dimmers. Most existing light fixtures are designed for the size and shape of these traditional bulbs.

Fluorescent lamps (light bulbs) work by passing electricity through mercury vapor, which in turn produces ultraviolet light. The ultraviolet light is then absorbed by a phosphor coating inside the lamp, causing it to glow, or fluoresce. While the heat generated by fluorescent lamps is much less than its incandescent counterpart, energy is still lost in generating the ultraviolet light and converting this light into visible light. If the lamp breaks exposure to mercury can occur. Linear fluorescent lamps are typically five to six times the cost of incandescent lamps[citation needed], but have life spans around 10,000 and 20,000 hours. Lifetime varies from 1,200 hours to 20,000 hours for compact fluorescent lamps. The efficacy of fluorescent tubes with modern electronic ballast commonly averages 50 to 67 lm/W overall. Most compact fluorescents rated at 13 watts or more with integral electronic ballasts achieve about 60 lumens/watt. Those with "iron" ballasts flicker at 100 or 120 Hz, and are less efficient. Most fluorescent luminaires are not compatible with dimmers. The quality of the light tends to be a harsh white because of the lack of a broad band of frequencies. To prevent mercury release, fluorescent tubes should be recycled by specialist routes rather than included in general refuse.