Low power consumption. Accurate positioning. Dustproof, wear-resistant. No moving parts, reliable, high stability. Finger touch can be induced, with low fatigue over extended use. Compact structure, small volume, light weight, easy to use and convenient. Specifications: Thickness: 15 mm Working temperature: 0 to 60 Working humidity: 5% to 95%, no condensation Storage temperature: -40 to 65 Product size: 99.97 x 83 x 12.6 mm Touchpad size: 65 x 49 mm Wire length: 1.5 m Interface: USB Input Color: Black Material: Plastic Package Contents: 1 x Portable Trackpad Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement allows an error of +/- 1-3 cm.