Features Low Battery Indicator: Stay informed with a blue flickering light when battery power is low. USB Receiver, Plug and Play: Seamlessly compatible with USB 1.0, 2.0, and 3.0. Easy to use! Remote Control: Operate a presentation from up to 100 meters away, with a red light range over 200 meters and 360° control. Present with confidence, irrespective of distance. Bright Red Light Pointer: Highlight key details with ease, ensuring effective communication with your audience. Advanced 2.4Ghz RF Technology: This technology ensures low power consumption and excellent performance, ideal for public speaking occasions. Wide Compatibility: Works seamlessly with Windows XP, Win 7/8/10, MAC/iOS, Android, and various Office page-turning format files. Specifications Remote Control Distance: 100m Red Light Range: Greater than 200m Battery Type: Lithium battery Battery Capacity: 200mAh Rated Voltage: 3.7V Transmission Technology: 2.4Ghz RF transceiver Item Dimensions: 130 x 21 x 12.5mm (5.12 x 0.83 x 0.49in) Item Weight: 24.5g (0.86oz) Package Dimensions: 170 x 55 x 25mm (6.69 x 2.17 x 0.98in) Package Weight: 52g (1.83oz) Package Contents 1 x Presenter 1 x USB Cable 1 x User Manual