Specifications:<br />Product name: Wireless Laser Pointer<br />Remote Controller: PP-900<br />Rangeof Operation: 100ft<br />Buttons: 4 (1 for laser beam｣ｬ 3 for PowerPoint control)<br />Product Size: 11.9x2.0x1.50cm<br />Battery: 1 x AAA battery<br />Laser: Class II<br />Color: Blue｣ｬred<br />Receiver: PP-900RX (NO memory)<br />PP-900X2G (Built in 2GB high speed memory)<br />OS: Windows 2000｣ｬ windows XP<br />Systems: IBM IP\/AT &amp;amp; Laptop PC<br />Interface: USB Spec 1.0｣ｬ HID Spec2.0<br />Size: 6.6cm x 2.1cm x 0.9cm<br /><br />Features:<br />This is a great tool for Power Point presentations｣ｬ with it｣ｬ you don't need to stand beside your computer or have an additional person click the slide for you.<br />It contains two parts: transmitter and USB receiver<br />Multifunctional presenter<br />Easy to use<br />It is USB plug-and-play. No driver required.<br /><br />Package Included:<br />1x Presenter<br />1x USB receiver<br />1x Carry Case<br />1x User Manual<br /><br />Note:AAA battery not included in the package!