Wireless presenter RC-L850, Silver, white

1. Laser pointer
2. Mini Receiver
3. Mouse Function
4. Play / Esc
5. Page up/down function;
6. Black Screen
7. Close
8. RF 2.4G Technology
Specification
◆Frequency 2.4GHz
◆Distance 20 Meters
◆Laser Class Red, Class III (<5mw) , Class II (optional)
◆USB Port USB3.0/2.0/1.1 for Receiver
◆Voltage 3V
◆Power Supply CR2025
◆Weight 65g (included battery)
◆Dimension 100mm(L)*30mm(W)*9mm(H)
◆System Requirements Microsoft® Windows® XP/2000/VISTA/W IN7