... wireless presenter 4.Built-in pendrive 5.CE&RoHS 2.4GHz wireless presenter with red laser pointer1. Laser pointer2. ... packing:64*39*33cm G.W:16kg/ctn 50sets/ctn Transmitter Frequency 2.4GHzDistance15Meters/ 50 feetLaser ClassRed, Class III (≤5mw) ... transmitter;2, Warranty period: 1 year;3, International standard met: CE, FCC, FDA & RoHS4, Standard package: gift box in black;Cooperate companies: 2.4GHz ...