Functions under single-pattern interface 1. Powerpoint Play/Esc 2. Powerpoint Blackscreen 3. Pg up/down 4. Volume+/- 5. Time-setting Regulation 6. Time Alarmer 7. Sleep Extra functions under twin-patterned interface 8. Windows switch 9. Windows minimization 10. Arrow up/down Product Feature LP-R301N2 is a new electronic product specialized for multimedia application in teaching and business, which is not only a laser pointer, but also a perfect presenter. This product applies to control PPT performance directly and freely with wireless remote control. LP-R301N2 provides 2 operation interfaces: single-pattern and twin-pattern, which can be switched by pressing the button in the back when turn it on. When turn it on, it enters into the single-pattern interface; if you press the button in the back when turn it on, it’ll steps into the twin-pattern interface. Remarks We do OEM for customers. Print your logo on our products is welcome.