・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