Product Description Material: ABS Transmitter: 1054030mm Receiver: 30155mm Laser distance: >200 meters Remote control distance: 15 meters Working voltage: 1.5V Operating system: Windows 98, Se, Me, 2000XP, Vista, MAC os, Linux Colour: Black Quantity: 1 piece Package content: 1*PPT Flip Pen 1.Lightweight: Energy-saving, light weight, suitable for putting in a pocket or handbag. 2.Function15M remote control distance, 360 signal can be received, 200 Square meter large space use. 3.Widely Appicable:Supports systems: Windows98SeMe2000XPVistaMAC OSLinux and etc. 4.Ergonomic designUnique curved design, holding it for a long time without feeling sore. Full grip, easy to grasp. 5.USB ReceiverThe small size receiver can be stored in the back cover when not in use, effectively reducing the size of the laser pointer.