Wireless Laser Presenter, APGtek 2.4GHz Wireless USB PowerPoint Presentation Remote Control Pointer Clicker Presenter

Description: It is a great tool for PowerPoint presentations! With it, you don't need to stand beside your computer or have an additional person click the slide for you! It contains two parts: transmitter and USB receiver.   1. Easy carry: The transmitter and receiver are integrated into one unit to easy carry! 2. Easily control the pace of your presentation: Advanced radio frequency (RF) technology that works through walls and control distance up to 15-meters / 50-feet away, so you never have to stand at beside of your computer. 3. Multifunctional presenter: It combines the functions of a laser pointer and hotkeys. If you need flash memory, the receiver supports to be added built-in flash memory. ( 64/128/256/512/1024MB optional ). 4. Easy to use: It is USB plug-and-play. No driver required. Just plug the receiver into the USB port on a PC and it works within seconds.     Feature:   Battery: 1 x CR2032   Control distance: Up to 50 feet  Dimension: 87x33.5x9mm (transmitter), 63x33.5x9mm (receiver)  Interface: USB 2.0  Operation system: Windows 98/Se, Me, 2000, XP, Vista, Windows 7, Mac OS, Linux  RF Frequency: 433.92Mhz  RF Output Power: 0dBm  Sensitivity: -100dBm  Sleep current: 1uA  Weight: 15g (transmitter), 10g (receiver)  Working voltage: 3V   Working voltage: USB electricity supply (4.5-5.5V)   What's include: 1 x Transmitter, 1 x Receiver (USB extended cable is not included).