1. New CH340G chips, the chips are STC official recommendation USB to TTL chips will not appear due to a different drive / different computer as a result of incompatibilities 2. Golden appearance, quality and upscale yellow pin, pin durable than the black market, beautiful3. Not only have the light PWR, TXD and RXD LEDs also reserved , location convenient and intuitive know whether the product is at work in the absence of the instrument case4. 3.3V and 5V by a short circuit risk selection5. Support WINDOWS 98 / ME / 2000 / XP / Server 2003 / VISTA / Server 2008 / Win7 / Win8 32 Bit / 64Model Number:CH340Gcolor:Black+goldMaterial:PCB + electronic componentsPackage Contents:3 x CH340G Module3 x Line(Random color, don't accept the specified color)Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.