Technology: Radio Frequency Frequency: 2.4GHz Control Distance>100m Laser Class:ІІ Max Output: <1mW Distance: >200m Wavelength: 650nm Battery: AAA*1 Working Voltage: 1.5V Sleep Current:<10uA Product Size : 13.3X2.2X2.16cm N.W : 32g USB Receiver Operation System: Windows 7/8/10, Mac OS, Linux ,Andorid USB Version: USB1.1/2.0/3.0 Working Voltage:4.5V-5.5V DC Product Size : 2.2X1.4X0.7cm N.W : 2.0g

Wireless Presenter, uses AAA dry battery, easy to replace. The mini USB receiver supports plug and play technology. No driver is required. 

Doosl Wireless Presenter is equipped with top-grade microchip, up to 100 meters wireless range. Operating on 2.4G RF frequency, can be used world-wide. 360 degree control without direction limit. 

Support Page Up/Down, Full Screen, Screen Sleep. Click Full Screen button for full screen, or long press Full Screen button for Screen Sleep/exit. Competely supports PowerPoint, Keynote and Prezi.

Equipped with a separate switch and effectively avoids unwanted power consumption when you put it in your bag.

Auto Frequency Hopping Technology, effectively avoids the interference to other frequency signal.