・Built-in U disk,users do not need to download through the network,double-click the applet to use ・The surface is made of UV process material,which is wear-resistant and does not fade ・Digital laser + physical laser can meet the needs of the LCD screen and projection screen presentation ・Using 2.4GHz wireless remote control technology,the demonstration venue can move flexibly ・Intelligent gravity sensing time display,built-in digital display ・With timing reminder,intelligent anti-lost,low battery reminder function ・Charge with a USB cable. Spot color and size are adjustable ・During the demonstration,double-tap the laser button to activate the mouse function. You can use the presenter like a mouse to control your computer to open hyperlinks,videos,music,and more Specifications: ・System:Use on Windows and for Mac systems ・Transmitter remote control distance:100 meters ・Working voltage:3.0-4.2V ・Receiver working voltage:4.5-5.5V ・Size:22x34x120mm ・Weight:60g ・Battery capacity:300mAh Package included: ・1 x Presenter Remote ・1 x Charging Cable ・1 x Storage Bag ・1 x English and Chinese Manual