Features:TransmitterandreceiverintegrativedesignLaserpointerfunction; Pageup/downfunction; Infraredtechnology.Controldistance:upto15mFeatures:TransmitterandreceiverintegrativedesignLaserpointerfunction; Pageup/downfunction; Infraredtechnology.Controldistance:upto15mFeatures:TransmitterandreceiverintegrativedesignLaserpointerfunction; Pageup/downfunction; Infraredtechnology.Controldistance:upto15mFeatures:TransmitterandreceiverintegrativedesignLaserpointerfunction; Pageup/downfunction; Infraredtechnology.Controldistance:upto15m 遥控技术:射频技术(遥控范围无方向限制)遥控距离:大于15m激光射程:大于200m波 长:650nm 功率:5mw以内 材 质:优质塑胶电 池: 23A电池一节接收器: 方形,电脑接口:USB接口、即插即用,不需专用驱动适用于WINDOWS98/2000/ME/XP各种系统功 能:激光指示、无线遥控上/下翻页