Дистанционного управления лазерная ручка с функцией мыши

Remote-control laser pen with Mouse Function Frequency 2.4G Control Distance >10M Battery AAA*2PCS Wavelength 532NM(Green)&650NM(Red) Output Power <1MW,<5MW Dimension 112*40*19.2MM Operation System Windows2000/EM/XP/Vista Weight 75.5G Operation Temperature 20-30°C Main button and function (Refer to below Picture) Instruction: 1,Plug receiver into USB Port. Then the LED indicator on the receiver will start To blink. 2,Start your presentation. 3,Synchrony: A source code had been set up before it leave factory, receive and project can be reciprocal use. For one-to-one synchrony status, please press down the up And down button all at once up to 3 seconds once plug the receipter in and the LED indicator light star to flashing(about 10 seconds).Pls re-synchrony once the Product can not page Up/page down as usual. Caution 1,Do not use this device to aim at human or animals‘eyes. 2,The device is not a toy, please keep it out of the reach from children.