Features:Type:Wireless USB PresenterMaterial: ABSQuantity: 1 SetPresenter:Frequency: 2.4GHzControl Distance:50mPower Supply: 2 x AAA BatteriesNot includedLasers distance:50m demonstration environmentBattery capacity: 300MAStandby current: Working time: 50 hoursSize:112mm x 34.5mmReceiver:Operating system:Windows MacOSCompatible interface: USB3.0 compatible USB2.0 USB1.1Working voltage: USB bus power supply 4.55.5VSize:55 x 14 x 7mmWireless presenter remote control pen is equipped with a 2.4G RF frequency receiver, lasers output distance is up to 50m.Lasers pointer, page up and down, matte materials, feel comfortable, compact appearance.Easy to use, lasers pen embedded RF transmitter, lasers pointer, a lasers button on the last page key, page down key, zoom in, switch off the page the five function keys.Remote control your PPT file. Don't need to wave your hand or use help tools in front of the screen while making presentation, let you have more chance to present your body language to express your ideas.Made of high quality ABS to make sure it sturdy and durable for longtime using.Greatly improve the presentation efficiency, bring smooth and clear presentation to your audiences, perfectly fit for lessons, lectures, business plan presentation, office meeting, etc.Notice:Due to the different monitor and light effect,the actual color maybe a slight different from the picture color.Please allow 23cm differs due to manual measurement.Package List:1 x Wireless Presenter1 x USB Receiver