Features • BRIGHT LASER LIGHT: Brilliant red laser light is easy to see on a flat projection screen. (Please note that the red laser will be barely visible in LCD screen/TV monitor.) • EASY TO USE: Battery-power indicator, On/Off switch, Page up, Play(Shift+F5), Page Down, Screen Black Exit Playback mode(ESC). Plug into the USB receiver and play! • LONG OPERATING RANGE AND HIGH COMPATIBILITY: It is up to 30 meters effective operating range. The laser pointer supports windows Me/XP/Vista/7/8/10/Mac. • COMPACT AND FRIENDLY DESIGN: The remote controller is just a little bit longer than a pen (Size: 15.8 X 1.9 X 1.9 cm). • The USB adapter stores in the laser pointer to help prevent it from getting lost. Note: Packaging box is torn and dented. Meet up at any MRT stations along North East Line (Purple Line). Do give me 1 day in advance notice. Interested buyers, pls sms me at 96644722. Thanks for viewing.