BhalTech 2.4Ghz USB Wireless Presenter 2.4Ghz USB Wireless Presenter Presenter  (Black)

2.4Ghz USB Wireless Presenter Pointer PPT RF Remote Control Pen 1)Main function: laser pointer, page up/down, full/dark screen, volume up/down. 2)Strong compatibility with various devices: Laptop, desk computer, projector... 3)2.4GHz RF technology offers stable transmission, precise localization and excellent anti-interference. 4)Humanizationappearance design gives you excellent and comfortable feel. 5)Supporting plug and play. 6)Green and friendly material with no radiation Transmitter 1)Remote control: Radio Frequency Technology 2)RF Frequency: 2.4GHz 3)Control Distance: 100m 4)Laser Ray: 3R laser 5)Output power: ?5mW 6)Laser distance: 200m 7)Laser wave length: 650nm(red) 8)Working voltage: 1.5V 9)Sleeping current: ? 10uA 10)Dimension: about 139.2*18.2*19.7mm Receiver 1)Operating system: Windows XP/7/8,Mac OS,Linux,Andriod 2)USB Version: Compatible with USB 1.1, USB2.0, USB3.0 3)Working Voltage: 4.5-5.5V 4)Dimension: about 26.5*12.7*5.5mm 5)Weight: about 1.9g Package Details: 1xwireless presenter 1x USB receiver 1x User's manual