Logitech R500 2.4Ghz USB Wireless Presenter PPT Remote Control Flip Pen

Launcher:
1. Laser color: red light
2. Remote control method: Bluetooth smart, wireless connection
3. Wireless frequency: 2.4GHz
4. Controlling distance: 20 meters
5. Laser wavelength: 640-660nm
6. Laser power: less than 1mw
7. Power supply mode: 1 AAA battery
8. Dimensions: 123.6 x 36.6 x 24.7mm
9. Weight: 53.5g
Receiver:
1. System: Compatible with Window, Mac OS, iOS and Android
2. Interface: USB
3. Dimensions: 25 x 17.5 x 6.6mm
4. Weight: 2g