Office Red Multicolor Laser Pointer With 23A Battery No PC Programming

2 in 1 USB Laser Pointer Pen Remote Control Powerful and Function Office Red Laser Pointer Teach Pen presenter for Powerpoint Key Features: Plug and play function, no PC programming and S/W; Working on any computer, on any computer using a USB Port Remote control range over 15m with a very low power eliminates LOS problems encountered with IR systems Transmitter identification, use thousands of ID number to avoid multi-user interferences 2 in 1: Laser pointer, Page up and