Product DescriptionFeaturesThis 2.4GHz Wireless Remote Controller Red Pointer Presentation Black is small and exquisite, portable and with richer applications. An important pleasant assistant for demonstrations or presentations, you can easily point to the PPT or the blackboard in any corner of the classroom. To make your demonstrations or presentations appear more dynamic and make listeners feel liberated. This pointer is also the best gift for friends and families. , suitable to put in your pocket or handbagsSpecificationsSupports MS Word, Excel, PowerPoint, ACD See, website etc, with page up and down functionPower: 1 x AAA battery (included no)Toggle buttonTransmission frequency: 2.4 GHzWavelength: 650mmPower: <5mwRange: <15mOperating system: USB- interface and for 2000 / XP / VistaSize: 10.5 x 3.9 x 2.6 cmNet weight: 29 gBlack colorPackage contains 1 x Remote Presenter Remote Control1 x Ultra-Slim Wireless USB Receiver1 x User ManualNote:1.We do not offer retail package, but we will pack it well before it is sent out.2. Please allow 0-1cm error due to manual measurement. please make sure you don't mind before you buy.3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks! Color black Size one size