Advanced Functions: The laser is equipped with advanced functions to enhance your speech or teaching. With a 3-brightness red laser, countdown vibration, and digital display, it allows you to effortlessly navigate through presentations. Whether you need to turn pages, clear the screen, hyperlink, or set a countdown, this pointer can meet all your needs. Remote Control Capability: With a remote control distance of up to 200 meters and a laser distance of 200 meters, the teaching pointer provides you with freedom during presentations. No need to be near the device anymore. Whether you are in a classroom, conference room, or large-scale presentation, you can easily control the content without any hassle. Wide Compatibility: The Laser is compatible with operating systems, including for XP/7/8/10, for OS, for Linux, and Android systems. It ensures smooth operation regardless of the device you are using. Enjoy seamless connectivity and effortless control with this versatile pointer. Long Battery Life: With a built-in rechargeable battery, the Laser offers a long usage time. A full charge can last approximately 15 days, eliminating the inconvenience of frequent charging. Whether you have a lengthy speech or a prolonged teaching session, this pointer provides you with stable performance throughout. and Portable Design: Weighing only 31g and 55cm retractable pole in length, the pointer stick is incredibly and portable. It takes up minimal space and can be easily carried during travel presentations or outdoor teaching sessions. Model:S18PRO Connection:RF2.4GHZ Net weight:31g Product size:14x2x1.4cm Control Distance:100-200m Battery:180mah Built-in lithium battery voltage:3.7 V (lithium battery) Interface type:TYPE-C interface Input voltage:5 V lithium battery Output current:20mAh Max Power:0.074 W