Low power consumption. Accurate positioning. Dustproof, wear-resisting. No moving parts, reliability, high stability. Finger touch can be induced, with long not easy fatigue. Compact structure, small volume, light weight, simple to use convenient. Specifications: 15 mm thickness: Working temperature: 0 ℃ to 60 ℃ Working humidity: 5% to 95%, with no condensation Storage temperature: 40 ℃ to 65 ℃ Product size: 99.97x83x12.6mm Touchpad size: 65x49mm Wire length 1.5m form: USB Input Colour: Black Material: plastic Package Contents: 1* Portable Trackpad 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.