1.Appearance:the soldering tin is very well distributed on the soldering point, and also the leds bulb is very clean.

2.brightness: the quality led is very high brightness.

2.color: the color looks very very pure.all all the LEDS color is the same in one bulb,also in one lot, for our led car lamp, if you order T10-WG-005W5050 and T20-B15-013W5050 from us, the color all those two bulbs is the same.

3.Stability: A stable brightness caused by good inter-structure for led bulbs.

4.Package: we have three method of package for our car led bulbs
anti-stastic bag: we will write a label for each bag, you can easy find the model and check out the quantity, color, voltage
Blister card: there have two different card for you choose, the back of card have the features and matters need attention when you install in our led auto lamps
Color box:for different size bulbs we have different size color box to package.