500-510nm Cyan Laser Pen, 532nm Green Laser Pen, Built-in Usb Charging Beam Pen, 650nm - Laser Pens - AliExpress
Amazon.com: Green Laser Pointer High Power, Long Range High Power Laser Pointer, Rechargeable Pointer , Strong Lazer Pointer for Teaching Outdoor Hunting USB Rechargeable Laser Pointer Pen : Office Products