Features:1. 300-meter ultra-long control range for effortless presentations in large conference rooms. Move freely and control your slides from anywhere.2. Green laser pointer is 10 times brighter than red, clearly visible on all screens even in well-lit rooms, enabling more effective presentations.3. Built-in LCD screen displays time with timer and silent vibration alerts to help you manage your presentation seamlessly without constantly checking the clock. Powered by a 1000mAh rechargeable battery for long-lasting use.4. Mini USB receiver offers plug-and-play convenience—no drivers needed. Simply plug it into your computer and start your presentation instantly.5. Supports page up/down, full screen, black screen, and hyperlink functions. Compatible with most presentation software and operating systems including Windows, Mac, Linux, and Android.Product Details:Color: BlackMaterial: PlasticPackage Includes:1 x Wireless Presentation Clicker1 x USB ReceiverSafety Warnings:1. This 433MHz device is not a toy. Never point the laser at human eyes, aircraft, or animals.2. For adult use only.3. It is illegal to aim the laser at any aircraft, moving vehicles, or public/private buildings.4. Improper use may result in serious danger.Note: Slight color variations may occur due to lighting and monitor settings. Product measurements may have a tolerance of +/- 1-3cm.