1、Easy to operate, it can be remotely controlled up to a maximum distance of 100m, and can achieve 360° control, allowing you to demonstrate easily without being bothered by distance. 2、Bright red pointer, it can remind participants to pay attention to every detail you said, no matter where you are in the room, you can mark the place where you need it. 3、Convenient to use, it can be used after putting in the battery, without being bound by cables, and without other cumbersome operations. 4、High quality ABS material, it is sturdy and durable, can effectively protect important components from damage, and greatly increase the service life of the product. 5、Small in size, it is lightweight and portable, and can be easily used in the hand, which can help you relax and comfortable in the teaching process. 1 x Presentation Clicker (Battery Not Included)1 x Manual Item Type: Presentation ClickerMaterial: ABSWeight: Approx. 40g / 1.4ozVoltage: 1.5VColor: GreyBattery: 1xAAA Battery (Battery Not Included)Control Distance: ≤Approx.100m / 328.1ftOperating System: For Windows Xp/7/8/9/10 / Mac OS / Linux / Android