10Pcs 3W Cyan 490Nm-495Nm High Power Led Bead Emitter With 20Mm Star Platine Heatsink

10Pcs 3W Cyan 490Nm-495Nm High Power Led Bead Emitter With 20Mm Star Platine Heatsink
  • SellerJoy-Deal
  • List Price$12.99Lot
  • Avg. Price$5.58Lot
  • Your Price$5.25Lot
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Product Details

  • Item TypeBall
  • Model Number3W 490Nm
  • WattageNa

Product Description

10PCS 3W Cyan 490NM-495NM High Power LED Bead Emitter with 20mm Star Platine Heatsink

10PCS 3W Cyan 490NM-495NM High Power LED Bead Emitter with 20mm Star Platine Heatsink

3W Cyan 490NM-495NM High Power LED Bead Emitter with 20mm Star Platine Heatsink
10PCS 3W Cyan 490NM-495NM High Power LED Bead Emitter with 20mm Star Platine Heatsink

10PCS 3W Cyan 490NM-495NM High Power LED Bead Emitter with 20mm Star Platine Heatsink

10PCS 3W Cyan 490NM-495NM High Power LED Bead Emitter with 20mm Star Platine Heatsink

Q: What do "cool white" and "warm white" mean, and what is CCT?
A: The Color Correlated Temperature (CCT) is given in the description led ligh/ lamp/bulbs.By comparison, a typical incandescent bulb has a CCT of 2800K. A typical halogen is a bit higher, maybe 3500K. Daylight white is 4500K and a cool white fluorescent is 6000K or more.

The human eye adapts to background light so that even a daylight white bulb will look slightly blue in a room illuminated mainly with incandescent bulbs. Similarly, an incandescent bulb will look very yellow or even orange in midday sunlight.

10PCS 3W Cyan 490NM-495NM High Power LED Bead Emitter with 20mm Star Platine Heatsink

10PCS 3W Cyan 490NM-495NM High Power LED Bead Emitter with 20mm Star Platine Heatsink

Q.What is Lumen(lm)?
Lumen is the international(SL)unit of luminous flux, a measure of overall light emitted by a light source.

10PCS 3W Cyan 490NM-495NM High Power LED Bead Emitter with 20mm Star Platine Heatsink

Q. What is Candela(cd)?
Candela is the international(sl) unit of luminuous intensity,a measure of light emitted by a light source in a particular direction. Any given light source will have different luminous intensities in different directions considered.

10PCS 3W Cyan 490NM-495NM High Power LED Bead Emitter with 20mm Star Platine Heatsink

Q.What is Beam Angle?
Beam angle is the angle between two directions for which the luminous intensity is 50% of the maximum intensity as measured in a plan through the nominal beam centerline. Beam angle of a bulb gives an idea of how the light beam spreads away from the beam center.

10PCS 3W Cyan 490NM-495NM High Power LED Bead Emitter with 20mm Star Platine Heatsink

10PCS 3W Cyan 490NM-495NM High Power LED Bead Emitter with 20mm Star Platine Heatsink

10PCS 3W Cyan 490NM-495NM High Power LED Bead Emitter with 20mm Star Platine Heatsink

10PCS 3W Cyan 490NM-495NM High Power LED Bead Emitter with 20mm Star Platine Heatsink

10PCS 3W Cyan 490NM-495NM High Power LED Bead Emitter with 20mm Star Platine Heatsink

10PCS 3W Cyan 490NM-495NM High Power LED Bead Emitter with 20mm Star Platine Heatsink

10PCS 3W Cyan 490NM-495NM High Power LED Bead Emitter with 20mm Star Platine Heatsink

10PCS 3W Cyan 490NM-495NM High Power LED Bead Emitter with 20mm Star Platine Heatsink

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