-Radio Frequency 2.4Ghz and optical technology
-Freely 360 degree use with 10 meters radius
-Auto powers save and sleep function
-Zoom in and zoom out function
-All injection colors available
-High resolution: 800 DPI
-Working on any surface except glass and mirror
-Compatible with Widows system
Size: 110x 57 x 34mm
Weight: g +/-20g
Channel: 1 channel
ID: 65535 sets
Radio frequency: 2.4 GHz
Operating distance: 8 meters
Key number: 3 keys
Battery life: 50 hours (continuous operation)
Battery: 2 AAA (alkaline )