1.RF wireless presenter , 2.Remote control laser pointer with CE ,RoHS 3.2.4GHz radio frequency RF wireless presenter ,Remote control laser pointer .powerpointer presenter Model:RF-008 1.Red laser pointer , page up and down .black screen,slide play/ESC .2.2.4GHz radio frequency technology3.Uses 1pc 3A batteries4.Wavelenght:650nm5.Output power:class<1mW or class<5mW6.Dimension:105*40*27mm7. ...