Features: Type:Wireless USB Presenter Material: ABS Quantity: 1 Set Presenter: Frequency: 2.4GHz Control Distance:50m Power Supply: 2 x AAA BatteriesNot included Lasers distance:50m demonstration environment Battery capacity: 300MA Standby current: Working time: 50 hours Size:112mm x 34.5mm Receiver: Operating system:Windows MacOS Compatible interface: USB3.0 compatible USB2.0 USB1.1 Working voltage: USB bus power supply 4.5-5.5V Size:55 x 14 x 7mm Description: Wireless 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 long-time 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 2-3cm differs due to manual measurement. Package List: 1 x Wireless Presenter 1 x USB Receiver