Wireless USB PowerPoint Presenter Remote Control Laser RF Pointer PenThis Wireless Remote Red Laser Pointer Presentation Black is small and exquisite， portable and with richer applications. An essential nice assistant of demonstrations or presentations， you can easily point to the PPT or blackboard in any corner of classroom. Making your demonstrations or presentation seem more dynamic and making listeners feel release. This laser pointer is also the best gift for friends and families. Features：No hassle setup， simply plug into your computer's USB portUSB receiver is plug and play - no driver requiredPower saving， lightweight， suitable for putting in your pocket or handbagsThis high quality laser pointer adopts the latest technology green laser optics and microelectronicsSupports MS Word， excel， PowerPoint， ACD See， website etc， with page up and down functionPresentations from up to 15 meters away Specifications:Light Style: Beam lightPower Supply: 1 x AAA battery (not included)Switch: ButtonOperating System: USB interface and Microsoft Windows 2000 / XP/ Win7 / WIN98/ME/VistaProduct Weight: 110gBody Color: BlackRF frequency: 315MHzLaser modulus and wavelength: 670nm; Class IIOutput power: ≤3mWJack: USB InterfaceWorking Current: 15mA; 102mADimensions:Transmitter: 125mm × 18mm × 19mmReceiver: 74mm × 22mm × 9mmPackage Included:1 x Wireless Presenter remote control1 x Ultra-Slim Wireless Receiver1 x User Manual(Not Including the Battery)