Features: Equipped with the chip, this USB to TTL adapters ensures stable conversion and broad compatibility for WindowsXP,Windows7/8 systems. With reinforced strain relief cable design for repeated bending and pulling. Ideal for electronics engineers, embedde system developers, and DIY enthusiasts working on device programming, bootloading, or serial communication projects. chip, a new USB chip, have wide chip frequency, and the propagation rate is greatly improved, so there will be no delay and it is more stable and reliable to use! The nonloose, unplugging-resistant plugs is integrallys molded and manufactured, which can firmly fit. Specifications: Component:Plastic Plugs Size:Approx.6.2x1.3cm/2.44x0.51inch Product name: USB to TTL Download Cable Power supply voltages: 5V TTL level: 3V3 Chip: chip Package Includes: 1pc USB to TTL Cable note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.