YoungMax 2.4G Wireless Mobile Presenter Expert with Air Mouse Red Laser Pointer Brilliant red laser pointer:your audience would know exactly what you`re pointing to. Easy to see on any presentation screen--even in a brightly lit room LCD display with timer:silent vibrating alerts help you manage time without watching the clock 2.4 G Wireless technology: Newest RF2.4 G wireless technology Air mouse control:with GYRO sensor technology, more convenient control.Free control of your pointer from up to 65 feet away Plug-and-play USB: USB wireless receiver stores inside the presenter for easy pack up. Carrying bag included.12 months product guarantee and 24h customer service.