Features:_x000D_Type:Wireless USB Presenter_x000D_Material: ABS_x000D_Quantity: 1 Set_x000D_Presenter:_x000D_Frequency: 2.4GHz_x000D_Control Distance:50m_x000D_Power Supply: 2 x AAA BatteriesNot included_x000D_Lasers distance:50m demonstration environment_x000D_Battery capacity: 300MA_x000D_Standby current: Working time: 50 hours_x000D_Size:112mm x 34.5mm_x000D_Receiver:_x000D_Operating system:Windows MacOS_x000D_Compatible interface: USB3.0 compatible USB2.0 USB1.1_x000D_Working voltage: USB bus power supply 4.5-5.5V_x000D_Size:55 x 14 x 7mm_x000D_Description:_x000D_Wireless presenter remote control pen is equipped with a 2.4G RF frequency receiver, lasers output distance is up to 50m._x000D_Lasers pointer, page up and down, matte materials, feel comfortable, compact appearance._x000D_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._x000D_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._x000D_Made of high quality ABS to make sure it sturdy and durable for long-time using._x000D_Greatly improve the presentation efficiency, bring smooth and clear presentation to your audiences, perfectly fit for lessons, lectures, business plan presentation, office meeting, etc._x000D_Notice:_x000D_Due to the different monitor and light effect,the actual color maybe a slight different from the picture color._x000D_Please allow 2-3cm differs due to manual measurement.Package List:_x000D_1 x Wireless Presenter_x000D_1 x USB Receiver