This is a wireless presenter that help you remotely control your PowerPoint presentations.With a red laser pointer allow you to point the key contents of presentation. Features: Transmitting frequency: 2.4GHz Simple and easy to use Plug and Play Freely Control your presentations up to 15 meters away Nice touch feeling, comfort to hold by hand Complies with IDA standards DA103073 System: Windows 2000/XP/Vista Certificate: FC, CE, RoHS Power supply: 1 x AAA battery(NOT included) Dimension: 106*38*26mm Color: black Unit net weight: 28 Unit packing gross weight: 92 NOTE: Please do not point the laser light to eyes directly or indirectly. Packing Included: 1 X Remote Control wireless presenter Note: Dear Valued Customer We will send your order by express ePacket delivery from China with tracking number. It usually takes 7 to 20 days. Please wait patiently as we are now in the hands of the various delivery systems! You can track the parcel on the USPS web site!