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.