Powerful Laser-pen Usb Charging Laser-pointer Sight For Presentations Teaching Children

Description: Name: laser-pen

Material: copper + aluminum Product size: 14×155mm Product color: black Beam Style: Solid Line Light color: red, green, blue-purple (optional) Lamp type: single beam (single point) Wavelength: 532nm and 650nm Startup time: ≤0.001 seconds Laser-range: red: 500 meters, green: 500-1000 meters, blue-violet: 10-100 meters Power supply mode: USB charging Working voltage: DC=3.0V Working current: <350mA

Packing list: 1 x laser-pen 1 x USB data cable  Note: Different displays may cause the color of the item in the picture a little different from the real thing.  Manual measuring,please allow 1-3mm error,thank you.