Laser Pointer is a pen-type portable laser pointer with two-button optical mouse function of slide up and down using RF bandwidth of 315MHz(Asia,American) or 433.92MHz(Europe). The presentation is made flawless with the wireless mouse on a laser pointer, so that the presenter can perform without the need of assistants. - Plug-and-play : No software downloads and driver installation. - Working on any computer with USB port - Remote control range in 10 Meter with a very low power consumption. - Use thousands of ID number to avoid multi-user interferences - Pen-type : extreme portability - Unique design with colors (Black, Blue, Silver available) Product Feature [Specifications] Transmitter Receiver RF bandwidth 315MHz(Asia,American) or 433.92MHz(Europe). Wavelengt :670nm Class II Interface USB HID Spec., Ver.1.1 Operating System win98/SE /ME/2000/XP Linux, WinCE Software MS Office 2000 and greater Battery Alkaline 12 V USB Bus-powered Yield of Current 15 mA 10~12 mA Size (Overall) 115mm x 18mm x 19mm67mm x 8mm x 20mm Weight 20g 10g 1. Gift box 2.product weight 20g 12g 3.50PCS/CNT 4.GW:8.2(kg)