Features: 1.Durable wireless presentation clicker: This high performance wireless presentation remote is built to last, with its durable construction providing extra strength that comes with a 3?Year Hardware Warranty. 2.Intuitive slideshow controls: With buttons easy to find by touch, and smooth contours, this presentation remote gives greater control and comfort, even in the darkest auditoriums. 3.Red pointer: This presentation remote produces a red pointer, which allows presenters to give a chrystal clear explanation. ( 4.Freedom to movement: The wireless remote has up to a 15m range, which allows the presenter freedom of movement and the ability to engage with the audience. 5.Storable plug and play receiver: This wireless presentation remote features a battery indicator, and you can simply plug in the receiver and begin presenting. specification:Product Name: Wireless Presentation Remote Remote control technology: RF 2.4GHz Remote control distance: 30m Distance: >200m Parameters: 650nm/5mw American standard, European standard Battery: AAA battery*2 Use time: 50 hours (under normal presentation conditions) Product size: 112*34.5mm Weight: 38g (including receiver) USB receiver parameters: Operating system: Windows, Mac Compatible interface: USB3.0 compatible with 2.0, USB1.1 Working voltage: USB bus power supply (4.5-5.5) Dimensions: 55*14*7mm Weight: 6g PackageList:1*Wireless Presentation Remote 1*receiver NoteBeams don’t work in TV screens. For this use, look up Logitech Spotlight) Freedom to movement: The wireless remote has up to a 15m range, which allows the presenter freedom of movement and the ability to engage with the audience. Storable plug and play receiver: This wireless presentation remote features a battery indicator, and you can simply plug in the receiver and begin presenting.