The INS-WMOUSE is a Microsoft wireless mouse designed for use with compatible DVR/NVR systems. It features a comfortable 3-button scroll design, an ultra-compact wireless receiver, and an optical sensor with 1000dpi tracking. Suitable for both right and left-hand use, this wireless mouse offers up to 10 months of battery life. The nano USB receiver can be stored within the mouse when not in use. Available in black.