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. 1*Wireless Presentation Remote 1*receiver 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: USB 3.0 compatible with 2.0, USB 1.1 Working voltage: USB bus power supply ( 4.5- 5.5) Dimensions: 55*14*7mm Weight: 6g