A4 G3-200N V-TRACK WL BLCK+RED
Product ID: 66130
Mnfr. Part#: G3-200N V-TRACK WL BLACK+RED
• Sensors: Optical
• Type: Wireless
• Buttons: 3
• Battery: 1AA Alkaline Battery
• System requirements: Windows XP / Vista / 7 / 8 / 8.1 / 10
https://www.a4tech.com/product.aspx?id=200#3
A4 G3-200N V-TRACK WL BLCK+RED