Features: Made of high quality material, which is firm and durable to use. It can provide gigabits download speed and dramatically improve your connected experiences at home, work, or on the go Please confirm whether this wifi card is suitable for your machine before place an order. Low power consumption and high performance, enhanced wireless security, no driver needed. Light in weight, small in size, convenient for you to store and manage, will not take up too much space. Specifications: Material:Metal Card:Approx.3x2.3cm/1.18x0.9inches Antenna:Approx.16.1cm/6.33inches Package Includes: 2 Optional Package: Package 1 Include: 1x Wireless Card Package 2 Include: 1x Wireless Card 1x Antenna note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.