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 10 meters away. Nice touch feeling, comfort to hold by hand. Laser emissive power below 0.5mW. Complies with IDA standards DA103073. Specifications: 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 Package included: 1 x Wireless presenter 1 x USB wireless receiver NOTE: Please do not point the laser light to eyes directly or indirectly.