-Frequency :2.4GHZ RF:<100MW
-Laser Level : Class II
-Control Distance :30M
-Operating system: WINDOWS2000, XP, VISTA,7, MAC
-Easy Carry,Easy Use,Easy Control
-Use Battery AAA 1.5V
-Function Table:Page Up,Down,Laser Pointer,Off Screen
-Lightweight and handy design, it is very convenient to put in bags or pockets.