Fangrui Product Details Using Rtl8111h Chip, Stable Performance And Powerful Functions. High-performance Large Heat Sink Is Adopted To Reduce The Temperature Of Card, Improve The Working Stability, And Have A Longer Service Life. Data Transfer Rate 1000mbps High-speed Transmission Via Cat5utp Cable Or Cat 3 Utp (10mbps Only) Cable. Realize Detection And Automatic Correction, Polarity Correction, Adaptive Equalization, Talk Cancellation, Cancellation Timing Recovery, Error Correction And Other Functions. Provides High-speed Robust Transmission And Reception Capabilities Note: Depending On The Batch, The Appearance And Color Of The Product May Be Different, Which Does Not Affect Use. Material: Pcb Colour: Green Package Contents: 1 X Network Card 1 X Bezel 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.