High Power LED COB Lamp Bulbs Chip 1W 3W 5W 10W 20W 30W 50W 100W Warm Cool White Red Green Blue Square Light Matrix Integrated
In Tatarstan for 20 days. Packing is good. Each led in its package. I expected that the size will be more. The quality looks great. The case hasn't been checked yet.
Before that, I ordered from another seller matrix for 50R/PCs-uneven brightness of LEDs and, as a result, they worked 7-12 days (!!!). These are 5 times more expensive, the matrix shines evenly, the light is bright. Based on the results of operation I will write. Seller-thank you!
Finally got to these LEDs. The substrate is oxidized, without overheating of the matrix, in the air, becoming first yellow, and then brown-black. To expose mechanical loads I do not recommend, 150 grams of terminal block and wires, two LEDs are not transferred by my fault. The initial stage of oxidation can be seen on the pictures, Operation month, temperature about 45-55 degrees (jammed the power with a resistor of greater nominal value than necessary. VSE prismatrivaus K cob svetodiodam drugix proizvoditelej, no VSE nikak ne mogu slezt' C eTix. Vprincipe chut' luchshe srednego Kala. +++++++
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What customers say
46% buyers are happy with:Everything works. Quality is good. It long. Delivery shines as expected for 100 watts. Seller is reliable. Order was received. All ok. Goods returned at customs. Leds came quickly. Shipping fastest.
12% buyers complain about:Substrate is oxidized. They worked 7-12 days. Vse prismatrivaus k cob svetodiodam drugix proizvoditelej no vse nikak ne mogu slezt' c etix. Spotlight burned. Diodes for 3 watts ordered. Sent led to 3000k. Appearance not bad. Solder not low temperature. Send instead of headlights in pc model. Ordering small bags tired.