1、This demo clicker is equipped with a digital laser that is safe and reliable and has excellent performance on LED/LCD screens. The size and color of the digital laser spot of the ppt clicker can be easily adjusted. 2、PPT highlight remote, allowing you to highlight or zoom in on the screen, freely control the cursor on the screen, play and pause the video, open the link, and display the full screen/black screen. You can interact with a variety of content through this USB PPT clicker. 3、This wireless presenter comes with built-in timers to help you manage your time perfectly from the first slide to the last slide. Set timing milestones in the app and receive vibration alerts directly. The voice prompt for this presentation laser pointer reminds you to unplug the receiver after the presentation. 4、This slide remote is very easy to operate. The demo laser indicator comes with software installed on the extra TF card of the USB dongle. This TF card can also be used as a USB stick for storing presentation files, so simply plug the demo laser pointer into the computer's USB port to boot. 5、The for Tripsky Wireless Presenter uses a new technology that replaces traditional laser pointers that used to hurt the user's eyes by following three unique digital scene modes. (1) Projector lamp mode. (2) Magnifying glass mode. (3) Digital laser mode. It makes the presentation even better and clearer. Page Flip Pen x 1Charging Cable x 1Storage Bag x 1Instruction Manual x 1USB Receiver x 1 Item Type: Laser PenWireless Modulation Mode: GFSKModulation Frequency: 2.4~ 2.4835GHzTransmission Power: 5 dBmWorking Current: <25mAStandby Current: <1mAWorking Temperature: -40 °C - 85 °CBattery Specification: 402030Battery Capacity: 200mAhCharging Voltage: 5VCharging Current: 300mA