Main Features:
- Remote control distance is up to 15 meters. The teachers and lecturers can walk freely in the classrooms or meeting halls， with near distance and more interaction with the audiences
- The mini USB receiver supports plug and play technology， easy to use
- Operating systems: Windows 2000 / XP / Vista / 7 / 8 / etc.
- Powered by 1 x AAA battery ( not included )

Specifications:
- Laser power: 5mW or less
- Laser wavelength: 650nm
- Laser range: more than 200 meters
- Wireless frequency: 2.4GHz
- Remote control distance: 15 meters Battery: 1 x AAA
Color: Black
Optional Light Color: Red
Max. Output Power: 5mW
Model Number: JY210 - BK
Page Flapper: Yes
Remote Control: Yes
Type: Laser Pen
USB Interface: Yes
Wireless: Yes 0.090 Package weight: 0.117 kg
Product Size(L x W x H): 13.80 x 1.90 x 1.90 cm / 5.43 x 0.75 x 0.75 inches
Package Size(L x W x H): 15.50 x 7.80 x 3.70 cm / 6.1 x 3.07 x 1.46 inches Package Contents: 1 x JY210 - BK 2.4GHz Wireless PPT Presentation Laser Pointer Pen， 1 x USB Receiver， 1 x English User Manual， 1 x Bag