Shadow-2 USB receiver will be available inside the box,Sensor technology Advanced Optical Tracking, Sensor Resolution: 1000
System Requirements :- Windows Vista, Windows 7, Windows 8, Windows 10, Chrome OS, USB port. Advanced 2.4 GHz wireless connectivity (Unifying supported)
Wireless operating distance: Approx. 10m, 1 AA battery, button life: 3000,000 times, operational frequency: 2.4 Gz
1600DPI optical sensor give you exceptional accuracy and incredible speed
All Service cost covered for 365 days from the date of purchase. Note: Liquid and Physical damage not Covered under warranty