Wavelength: 405nm/520nm/650nm Working Voltage: 3.5V-5V (3.7V lithium battery can also be used) Spot Mode: Dot Focusable:Yes Size: 12x45mm Material: Metal Connection: Red wire "positive +", Black wire "negative -"
High-power Laser module, please pay attention to the continuous use of time, to avoid overheating caused by diode damage.