Impression:eccellente;

Fantastico COB LED da 5w Luce bianco freddo , ben installato su un dissipatore di calore produrà luce per molti anni con un notevole risparmio di denaro in energia e costi delle comuni lampade

Impression:Brilho forte;

Lampada pequena de fácil instalação, não precisa de muito espaço, baixo consumo e com nível luminoso bem forte. Não tenho nada a reclamar até o momento

Gives alot of light, can be used to embed into any project. Can be used with an arduino and a NPN transistor (i used a P2N2222A) to dim the led using PWM or use a standard digital pin to make it work as a on/off switch. No documentation, no resistor values given (would be good to know it in Would... Gives alot of light, can be used to embed into any project. Can be used with an arduino and a NPN transistor (i used a P2N2222A) to dim the led using PWM or use a standard digital pin to make it work as a on/off switch. No documentation, no resistor values given (would be good to know it in advance) Would fit in any category of microcontrollers, home decoration, lighting and electronics. Needs to be soldered and can be a little bit warm i've heard (not had it myself). A product that is useful to buy, does wat it says. Lacks a little information, but works very well. Read more

Very good light. Very bright and white. Very less consumption (My calculation: 2.6W, 12v, 0.22 A). Will need a radiator for the heat, although it is not very high, it is heavily recommended. Slightly overprice. Needs a cover to be protected. I use it in combination with: I don't have the tools to... Very good light. Very bright and white. Very less consumption (My calculation: 2.6W, 12v, 0.22 A). Will need a radiator for the heat, although it is not very high, it is heavily recommended. Slightly overprice. Needs a cover to be protected. I use it in combination with: http://dx.com/p/ac-to-dc-voltage-converter-module-for-led-strip-black-152182 I don't have the tools to measure the light, so can't say exactly the values, but it is very bright. I will use it to light the kitchen worktop . One is enough to well light a meter. Great item, maybe slightly overpriced. Read more

Very bright. Nice color rendering. But color temperature not 6000K. It closer to 4100-5000k. But this are even better. Aluminium alloy PCB, that allows easy cooling. Low heat. So radiator size can be small. I use 5x12cm U-shaped aluminium plate. It also used as reflector. There are easy to read I... Very bright. Nice color rendering. But color temperature not 6000K. It closer to 4100-5000k. But this are even better. Aluminium alloy PCB, that allows easy cooling. Low heat. So radiator size can be small. I use 5x12cm U-shaped aluminium plate. It also used as reflector. There are easy to read marks on positive and negative pins. Not so cheap. There are no any mounting holes. So you must use glue to fix LED on radiator. LEDs covered with some kind of soft silicon compound. It can be easily damaged. Needs protective cover. I use SKU: 82745 for power this LED. It seems slightly underpowered, but bright enough. May be slightly expensive, but very good LED for lighting applications. Read more